What's the difference between barb and wyvern?

Barb

Definition:

(n.) Beard, or that which resembles it, or grows in the place of it.
(n.) A muffler, worn by nuns and mourners.
(n.) Paps, or little projections, of the mucous membrane, which mark the opening of the submaxillary glands under the tongue in horses and cattle. The name is mostly applied when the barbs are inflamed and swollen.
(n.) The point that stands backward in an arrow, fishhook, etc., to prevent it from being easily extracted. Hence: Anything which stands out with a sharp point obliquely or crosswise to something else.
(n.) A bit for a horse.
(n.) One of the side branches of a feather, which collectively constitute the vane. See Feather.
(n.) A southern name for the kingfishes of the eastern and southeastern coasts of the United States; -- also improperly called whiting.
(n.) A hair or bristle ending in a double hook.
(v. t.) To shave or dress the beard of.
(v. t.) To clip; to mow.
(v. t.) To furnish with barbs, or with that which will hold or hurt like barbs, as an arrow, fishhook, spear, etc.
(n.) The Barbary horse, a superior breed introduced from Barbary into Spain by the Moors.
(n.) A blackish or dun variety of the pigeon, originally brought from Barbary.
(n.) Armor for a horse. Same as 2d Bard, n., 1.

Example Sentences:

(1) In the present study, in vitro treatment of mouse bone marrow with antisera prepared in rabbits against brain tissue from rats (BARB) or hamsters (RAHB) also reduced the CFU content of the mouse marrow.
(2) "So, welcome to the real North Korea" declared Sweeney dramatically, standing inside a barbed wire fence apparently built to keep ordinary people away from his tour group's hotel.
(3) An analysis of BBC1, compiled using Broadcasters' Audience Research Board (Barb) figures, of the hours between 6pm and 10pm from 15 January, when the first episode of Call the Midwife was screened, to 5 February, showed that 90% of the audience was over 35, meaning just 719,000 under-35s were watching.
(4) Beneath the gold-leafed dome, one of them read aloud from a text eulogising France's founding fathers, ending with a rousing, "Long live the France of our fathers, long live La Barbe!"
(5) Kinetics of elongation and depolymerization from the pointed end were measured in fluorescence assays using pyrenylactin filaments capped at the barbed end by villin.
(6) Nomberg-Przytyk also recounts the death of Avram Ovitz, the leader of the group: "The old midget wanted his wife" and tried to slip through the barbed wire; a guard spotted him and, when Avram got close enough, shot him.
(7) The ad, for web hosting service CrazyDomains.co.uk, featured the Barb Wire star in a boardroom full of men.
(8) Epidermal cells that would otherwise produce only alpha keratin in reticulate scales are induced to reorganize and differentiate into barb ridge cells that accumulate feather beta keratins.
(9) She said no surprises about the election date should mean "no excuses", a clear barb at the conservative opposition leader, Tony Abbott, whom she has criticised as announcing "platitudes not policies" and giving few costings for his promises.
(10) Seventy-seven flexor tendon lesions in zone I have been reinserted by the "rope down" technique using the Jennings barb-wire.
(11) As a result, at high rates of filament growth a transient cap of ATP-actin subunits exists at the ends of elongating filaments, and at steady state a stabilizing cap of ADP.Pi-actin subunits exists at the barbed ends of filaments.
(12) After a marathon of tetchy bilateral talks and barbed plenary speeches, the Chinese premier – who refused to enter the negotiations directly – flew back to Beijing without any public comment.
(13) All ratings are Barb overnight figures, including live, +1 (except for BBC and some other channels including Sky1) and same day timeshifted (recorded) viewing, but excluding on demand, or other – unless otherwise stated.
(14) Dissociation of the gelsolin-actin complex from the barbed ends can be calculated to be rather slow.
(15) It’s like you go through some crazy inter-dimensional vortex,” Barbe said.
(16) There were some security forces as well, I think employed by the Australians, waiting around outside, and they had coils of barbed wire at the ready.
(17) The two men, from different political camps, have a polite relationship that has sometimes been barbed and punctuated by stinging Conservative quips about French leftwing tax-and-spend policies .
(18) Aginactin is a barbed-end capping protein by several criteria.
(19) And he trades barbs and disapproving glares with Scarlett Johansson 's Black Widow, who you will want to see in her own movie after this.
(20) The simplest explanation for these findings is that gelsolin caps the barbed ends of the filaments in the resting platelet.