prime
noun.
a natural number that has exactly two distinct natural number divisors: 1 and itself
noun.
the period of greatest prosperity or productivity
noun.
the second canonical hour; about 6 a.m.
noun.
the time of maturity when power and vigor are greatest
Synonym: prime of life
verb.
insert a primer into (a gun, mine, or charge) preparatory to detonation or firing
prime a cannon|prime a mine
verb.
cover with a primer; apply a primer to
Synonym: ground, undercoat
verb.
fill with priming liquid
prime a car engine
adj.
of or relating to or being an integer that cannot be factored into other integers
prime number
adj.
first in rank or degree
an architect of premier rank|the prime minister
Synonym: premier
adj.
used of the first or originating agent
prime mover
adj.
of superior grade
choice wines|prime beef|prize carnations|quality paper|select peaches
adj.
being at the best stage of development
our manhood's prime vigor
Synonym: meridian