What's the difference between cooler and flighter?

Cooler

Definition:

(n.) That which cools, or abates heat or excitement.
(n.) Anything in or by which liquids or other things are cooled, as an ice chest, a vessel for ice water, etc.

Example Sentences:

(1) Blood samples taken from children at certain ages and during the warmer months contained more lead than samples obtained during the cooler months.
(2) A cooler full of beer is usually at hand, though swimming attire typically isn't.
(3) The warmer half-spindle was longer than the cooler.
(4) TB said "Wouldn't it just be easier if you admitted, in the privacy of these four walls, that you have gone a bit cooler?"
(5) The background was hotter on one side of the sky and cooler on the other: a "dipole" that meant our galaxy was moving at a phenomenal relative speed, which could only be explained if there was a huge undiscovered distant structure somewhere in space, such as a supercluster of galaxies, pulling it (this was found later and is called the "great attractor").
(6) Prices for traded electricity fell today trading after hitting record highs at one stage yesterday, reflecting the belief that the steps taken in France and in Germany, plus a promise of cooler days, would ease demand.
(7) For that matter, mulching with bark, grit or slate will help keep the surface roots cooler and retain moisture in hot weather.
(8) Intraoperative muscle temperature recordings indicated that the iced limbs were an average of 12.9 degrees cooler than noniced limbs before tourniquet inflation.
(9) In the long term, physical conditioning and heat acclimation lead to increases in sweat output during thermal stress, leading to cooler skin and core temperature during exercise, and decreasing the level of skin blood flow needed for regulation of body temperature.
(10) Because the concentration of the ethanol injections was considerably lower than reported ethanol concentrations in the tissues of anoxic goldfish, endogenously produced ethanol may have induced the selection of cooler water by the anoxic goldfish.
(11) In groups I and II, the lateral band was significantly cooler (P less than .01) than the medial arch.
(12) Wine cooler use is viewed inconsistently, perhaps with a tendency toward being seen as appropriate for consumption during integrative social occasions that involve having a good time.
(13) A greater number of viruses were identified in the cooler, drier months of the year.
(14) I’m still going to make records, but not at the intensity at which I was doing it … I fed my ego enough with my solo career that now it’s cooler to be more behind the scenes and helping other bands.
(15) Blind duplicate samples of starch, diluted lemon juice, wine cooler, dehydrated seafood, and instant mashed potatoes were analyzed without spiking and with added sulfite at 2 levels.
(16) "The disabled kids were just cooler, wilder, got up to crazy things.
(17) Porto Alegre, meanwhile, is located in the southern region of the country, where temperatures are much cooler.
(18) Because of the newness of wine coolers and their youthful appeal, questions have arisen of whether consumers have a realistic understanding of coolers' intoxication power.
(19) The capability of birds to keep the brain cooler than the body over a wide range of ambient temperatures is a major thermoregulatory characteristic enabling the defense of the central nervous tissue from overheating, heat storage and saving of water.
(20) humid warm coastal climate compared with dry cooler inland-mountain climate) is not an important factor in the etiology of tinea.