eagle

Concise Oxford English Dictionary © 2008 Oxford University Press:
eagle/ˈiːɡl/

▶noun

• 1 a large bird of prey with a massive hooked bill and long broad wings, known for its keen sight and powerful soaring flight. [Aquila and other genera.]

• 2 Golf a score of two strokes under par at a hole.

• 3 US a former gold coin worth ten dollars.

▶verb Golf play (a hole) in two strokes under par.

– derivatives
eaglet noun.

– origin ME: from OFr. aigle, from L. aquila. The golf term was suggested by birdie.