a. [ Compar. Cooler superl. Coolest. ] [ AS. cōl; akin to D. koel, G. kühl, OHG. chouli, Dan. kölig, Sw. kylig, also to AS. calan to be cold, Icel. kala. See Cold, and cf. Chill. ] 1. Moderately cold; between warm and cold; lacking in warmth; producing or promoting coolness. [ 1913 Webster ]

Fanned with cool winds. Milton. [ 1913 Webster ]

2. Not ardent, warm, fond, or passionate; not hasty; deliberate; exercising self-control; self-possessed; dispassionate; indifferent; as, a cool lover; a cool debater. [ 1913 Webster ]

For a patriot, too cool. Goldsmith. [ 1913 Webster ]

3. Not retaining heat; light; as, a cool dress. [ 1913 Webster ]

4. Manifesting coldness or dislike; chilling; apathetic; as, a cool manner. [ 1913 Webster ]

5. Quietly impudent; negligent of propriety in matters of minor importance, either ignorantly or willfully; presuming and selfish; audacious; as, cool behavior. [ 1913 Webster ]

Its cool stare of familiarity was intolerable. Hawthorne. [ 1913 Webster ]

6. Applied facetiously, in a vague sense, to a sum of money, commonly as if to give emphasis to the largeness of the amount. [ 1913 Webster ]

He had lost a cool hundred. Fielding. [ 1913 Webster ]

Leaving a cool thousand to Mr. Matthew Pocket. Dickens.

Syn. -- Calm; dispassionate; self-possessed; composed; repulsive; frigid; alienated; impudent. [ 1913 Webster ]

n. A moderate state of cold; coolness; -- said of the temperature of the air between hot and cold; as, the cool of the day; the cool of the morning or evening. [ 1913 Webster ]

v. i. 1. To become less hot; to lose heat. [ 1913 Webster ]

I saw a smith stand with his hammer, thus,
the whilst his iron did on the anvil cool. Shak. [ 1913 Webster ]

2. To lose the heat of excitement or passion; to become more moderate. [ 1913 Webster ]

I will not give myself liberty to think, lest I should cool. Congreve. [ 1913 Webster ]

v. t. [ imp. & p. p. Cooled p. pr. & vb. n. Cooling. ] 1. To make cool or cold; to reduce the temperature of; as, ice cools water. [ 1913 Webster ]

Send Lazarus, that he may dip the tip of his finger in water, and cool my tongue. Luke xvi. 24. [ 1913 Webster ]

2. To moderate the heat or excitement of; to allay, as passion of any kind; to calm; to moderate. [ 1913 Webster ]

We have reason to cool our raging motions, our carnal stings, our unbitted lusts. Shak. [ 1913 Webster ]

To cool the heels, to dance attendance; to wait, as for admission to a patron's house. [ Colloq. ] Dryden. [ 1913 Webster ]

n. a fluid (gas or liquid) used to cool a device by transferring heat away from one part to another. [ WordNet 1.5 ]

adj. made or become cool or made cool as specified; often used as a combining form; as, air-cooled auto engine; the cooled milk was put in the refrigerator. [ WordNet 1.5 ]

n. That which cools, or abates heat or excitement. [ 1913 Webster ]

If acid things were used only as coolers, they would not be so proper in this case. Arbuthnot. [ 1913 Webster ]

2. Anything in or by which liquids or other things are cooled, as an ice chest, a vessel for ice water, etc. [ 1913 Webster ]

3. An alcoholic beverage containing liquor or wine plus a carbonated beverage, usually served with ice. [ PJC ]

4. jail; -- usually used in the form the cooler. [ slang ] [ PJC ]

4. an air conditioner. [ PJC ]

a. Having a temper not easily excited; free from passion; unshakably calm and collected. -- Cool"-head`ed*ness, n.
Syn. -- cool, imperturbable, unflappable. [1913 Webster + WordNet 1.5]

n. Same as Cooly. [ 1913 Webster ]

{ } n.; pl. Coolies [ Hind. k&unr_;lī a laborer, porter: cf. Turk. k&unr_;l, ky&unr_;leh, slave. ] An East Indian porter or carrier; a laborer transported from the East Indies, China, or Japan, for service in some other country. [ 1913 Webster ]