pant

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To breathe rapidly in short gasps, as after exertion.
• intransitive verb To beat loudly or heavily; throb or pulsate.
• intransitive verb To give off loud puffs, especially while moving.
• intransitive verb To long demonstratively; yearn.
• intransitive verb To utter hurriedly or breathlessly.
• noun A short labored breath; a gasp.
• noun A throb; a pulsation.
• noun A short loud puff, as of steam from an engine.
• noun Trousers.
• noun Underpants.
• idiom (with (one's) pants down) In an embarrassing position.

from The Century Dictionary.

• noun A quick, short effort of breathing; a gasp.
• noun A throb, as of the heart.
• To breathe hard or quickly; gasp with open mouth and heaving breast, as after exertion; gasp with excited eagerness.
• To throb or heave with violence or rapidity, as the heart or the breast after exertion or emotion.
• To bulge alternately in and out, as the skin of iron ships when the plating is structurally very weak.
• To languish; pine.
• To long with breathless eagerness; desire greatly or with agitation: with for or after.
• Synonyms To puff, blow.
• To yearn, sigh, hunger, thirst.
• To breathe (out) in a labored manner; gasp (out) with a spasmodic effort.
• To long for; desire with eagerness and agitation.
• noun A public fountain or well in a town or village.

from the GNU version of the Collaborative International Dictionary of English.

• noun A single leg of a pair of pants. See pants.
• transitive verb To breathe forth quickly or in a labored manner; to gasp out.
• transitive verb rare To long for; to be eager after.
• adjective Of or pertaining to pants.
• noun A quick breathing; a catching of the breath; a gasp.
• noun A violent palpitation of the heart.
• intransitive verb To breathe quickly or in a labored manner, as after exertion or from eagerness or excitement; to respire with heaving of the breast; to gasp.
• intransitive verb To long eagerly; to desire earnestly; -- often used with for or after.
• intransitive verb To beat with unnatural violence or rapidity; to palpitate, or throb; -- said of the heart.
• intransitive verb Poetic To sigh; to flutter; to languish.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a public drinking fountain in Scotland and North-East England
• noun A quick breathing; a catching of the breath; a gasp.
• noun obsolete A violent palpitation of the heart.
• verb intransitive To breathe quickly or in a labored manner, as after exertion or from eagerness or excitement; to respire with heaving of the breast; to gasp.
• verb transitive To long for (something); to be eager for (something).
• verb intransitive To long eagerly; to desire earnestly.
• verb intransitive Of the heart, to beat with unnatural violence or rapidity; to palpitate.
• verb intransitive To sigh; to flutter; to languish.
• noun fashion A pair of pants (trousers or underpants).
• noun used attributively as a modifier Of or relating to pants.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a short labored intake of breath with the mouth open
• noun (usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately
• verb utter while panting, as if out of breath
• verb breathe noisily, as when one is exhausted
• noun the noise made by a short puff of steam (as from an engine)