From WordNet (r) 3.0 (2006):
prime
adj 1: first in rank or degree; "an architect of premier rank";
"the prime minister" [syn: premier(a), prime(a)]
2: used of the first or originating agent; "prime mover"
3: of superior grade; "choice wines"; "prime beef"; "prize
carnations"; "quality paper"; "select peaches" [syn:
choice, prime(a), prize, quality, select]
4: of or relating to or being an integer that cannot be factored
into other integers; "prime number"
5: being at the best stage of development; "our manhood's prime
vigor"- Robert Browning [syn: prime, meridian]
n 1: a number that has no factor but itself and 1 [syn: prime,
prime quantity]
2: the period of greatest prosperity or productivity [syn:
flower, prime, peak, heyday, bloom, blossom,
efflorescence, flush]
3: the second canonical hour; about 6 a.m.
4: the time of maturity when power and vigor are greatest [syn:
prime, prime of life]
v 1: insert a primer into (a gun, mine, or charge) preparatory
to detonation or firing; "prime a cannon"; "prime a mine"
2: cover with a primer; apply a primer to [syn: prime,
ground, undercoat]
3: fill with priming liquid; "prime a car engine"