a competition

a compilation

a comprehensive school

a complimentary ticket or voucher

a computer

I have Windows XP installed on my comp

compensation

a composition

a musical accompaniment

a compositor

play music as an accompaniment, especially in jazz or blues

he comps with an open, jangly sound

if someone is comping chord changes, there are more textured harmonies

give (something) away free, especially as part of a promotion

the management did graciously comp our wine selection