The definition of trig is in good condition, neat or precise.(adjective)
An example of something trig is a recently polished car.
Trig is defined as to make something clean or neat, or to prevent something from rolling.(verb)
Trig is short for trigonometry, or is defined as a wedge to prevent rolling.(noun)
See trig in Webster's New World College Dictionary
See trig in American Heritage Dictionary 4
Origin: Middle English, true
Origin: , from Old Norse tryggr, loyal, true; see deru- in Indo-European roots.
transitive verb trigged trigged, trig·ging, trigs
Origin: Perhaps of Scandinavian origin
Origin: ; akin to Old Norse tryggr, firm; see trig1.
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