a small metal projectile, part of a cartridge, for firing from small arms.

a cartridge.

a small ball.

Printing . a heavy dot for marking paragraphs or otherwise calling attention to or itemizing particular sections of text, esp. in display advertising.

Cards . an ace.

to move swiftly. ?

bite the bullet, to force oneself to perform a painful

difficult task or to endure an unpleasant situation

We'll just have to bite the bullet and pay higher taxes.

noun

ammo , ammunition , ball , bolt , cap , cartridge , dose * , lead , love letter , pellet , projectile , rocket , round , shot , slug , trajectile , fast , hurry , missile , sinker , tracer , zip