(aviation, military) An aviator (usually a fighter pilot) who destroys five or more enemy aircraft (the number required to become an ace) in a single day.

Alternative form of aro-ace

Alternative form of aro-ace

Alternative form of aro-ace

Alternative form of aro-ace

(obsolete, Britain, idiomatic) Nearly, very near.

plural of ace boon coon

(US, slang) A close friend.

(simile) Utterly black; pitch-black.

(gambling) A loaded die fashioned so that the numbers 1 and 6 come up more frequently than others.