What's the difference between skirt and underskirt?

Skirt

Definition:

(n.) The lower and loose part of a coat, dress, or other like garment; the part below the waist; as, the skirt of a coat, a dress, or a mantle.
(n.) A loose edging to any part of a dress.
(n.) Border; edge; margin; extreme part of anything
(n.) A petticoat.
(n.) The diaphragm, or midriff, in animals.
(v. t.) To cover with a skirt; to surround.
(v. t.) To border; to form the border or edge of; to run along the edge of; as, the plain was skirted by rows of trees.
(v. t.) To be on the border; to live near the border, or extremity.

Example Sentences:

(1) In the case with a more distally situated VSD, the bundle branches skirted the anterior and distal walls of the defect.
(2) That’s before you even begin to consider the sort of outfits, polite eating and staged photos that guarantee I end up with a bleeding foot, skirt tucked into my knickers, mint in my teeth and a fixed smile last seen on a taxidermied pike.
(3) All skirted lots of wool evaluated in this study had improved processing characteristics for all processing traits evaluated.
(4) She loves the work of Adjanass ( adjanass-creations.com ), a striking young woman from Togo who takes cloth from her native country (a variation on batik learned by African soldiers fighting France's Indochina wars) and makes dresses, skirts and tops that look Indonesian, but use Africa's vibrant colours.
(5) He skirted round the issue of historic responsibility for the misery but referred to the sheer scale of the sacrifice, pointing out that, among more than 14,000 parishes in the whole of England and Wales, only about 50 so-called "thankful parishes" saw all their soldiers return.
(6) Its annual conferences were a mishmash of Highlands conservative women in tartan skirts, angry socialists from the central belt and, unique to the party, an embarrassing array of men in kilts armed with broadswords and invoking the ghosts of William Wallace and Robert the Bruce.
(7) Kate Waters, the chief strategy officer at Now and a member of the Women in Advertising and Communications London group, said: “I’ve had comments about what I wear, that it might be appropriate to wear a shorter skirt to a meeting, for instance.” A 55-year-old account director, who used to work for Saatchi & Saatchi, said while it was mostly a good company to work for, “it was taken for granted that female execs were there to look pretty and distract clients”.
(8) And in the process, the food industry is skirting food additive regulations.
(9) "I do not decide that skirts shall be short or long.
(10) Resembling a billhook, with Foule Crag its wickedly curved tip, this final flourish looks daunting but can be skirted to one side, up awkward slabs.
(11) Banwari Lal Singhal said private schools allowing students to wear skirts explained increased sexual harassment locally.
(12) Look, you can see it here," he says, pointing to a long, low, flat plateau that barely rises above the palms, banana plants and rubber trees that skirt the road and hug the traditional stilted timber houses dotting the lush emerald-green countryside.
(13) I found myself skirting the wood’s perimeter, a no-go zone of the past for us, and came next to a gravel-pocked face mined by rabbits with one of the burrows crowned with the skull of an ancestor.
(14) We’re back to those flappers, with their jobs and their knee-length skirts and their dangerous opinions about politics, or the girls of the 1960s destroying the traditional family by wantonly taking the pill.
(15) In that respect, … skirt size as a proxy for waist circumference is easily remembered over time.” The researchers estimate that the five-year absolute risk of postmenopausal breast cancer rises from one in 61 to one in 51 with each increase in skirt size every 10 years.
(16) These days the modern older woman may go for the half-gomas, she explains - a short jacket and matching full-length skirt which is lighter to wear.
(17) Movies spanning the quality spectrum from Risky Business to Annie Hall to Roman Holiday all famously affected people’s actual wardrobes (respectively, Ray-Bans, men’s tailoring on women and full skirts and head scarves.)
(18) Of these 200 patients, 65% believed physicians should wear a white coat, 27% believed physicians should not wear tennis shoes, 52% believed physicians should not wear blue jeans, 37% believed male physicians should wear neckties, and 34% believed female physicians should wear dresses or skirts.
(19) He believed that policy and principle without power were simply not enough to deliver the better life that he fought for on behalf of his constituents for almost 50 years.” Corbyn skirted over their differences and said he would miss Kaufman’s “constant friendship”.
(20) I wanted a better life.” Dressed for the festival in a smart black skirt and a high-necked blouse adorned with a cameo necklace, she is enjoying the lavish spectacle.