ace

ace

noun

{bc}a die face marked with one spot

ace

verb

{bc}to score an ace against (an opponent)

ace

adjective

{bc}of first or high rank or quality

ace

noun

{bc}an asexual person {dx_def}see {dxt|asexual||3b}{/dx_def}

ace

adjective

{bc}{sx|asexual||}

Ace

trademark

Array

ACE

abbreviation

American Council on Education

ace boon coon

noun

{bc}a personu0027s closest and dearest friend {bc}{sx|best friend||}

ACE inhibitor

noun

{bc}any of a group of antihypertensive drugs (such as captopril) that relax arteries and promote renal excretion of salt and water by inhibiting the activity of angiotensin converting enzyme

an ace up one's sleeve

idiom

{bc}a powerful and often secret weapon, advantage, etc., that can be used if it is needed