hole in one

n. pl. holes in one

The driving of a golf ball from the tee into the hole in a single stroke.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hole in one

(Golf) a shot from the tee that finishes in the hole

(Golf) (intr) to score a hole in one

Also called (esp US): ace

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ace

(eɪs)

n., v. aced, ac•ing,
adj. n.

1. a playing card or a die face bearing a single pip or spot.

2. Also called service ace. (in tennis, badminton, handball, etc.) a point made on a serve that an opponent fails to touch.

3. a fighter pilot who downs a specified number of enemy aircraft in combat.

4. a very skilled person; expert; adept.

a. Also called hole in one. a shot in which a golf ball is driven from the tee into the hole in one stroke.

b. a score of one stroke made on such a shot.

v.t.

6. (in tennis, badminton, handball, etc.) to win a point against (one's opponent) by an ace.

7. to make an ace on (a hole) in golf.

8. Slang. to defeat, supplant, or gain an advantage over by maneuvering (usu. fol. by out).

9. Slang.

a. to receive a grade of A in or on: to ace a test.

b. to complete with great success.

adj.

10. excellent; first-rate; outstanding.

Idioms:

1. ace in the hole,

a. an ace in poker dealt and played facedown.

b. Also, ace up one's sleeve. an advantage held in reserve.

2. within an ace of, very close to: within an ace of winning.

[1250–1300; Middle English as, aas < Old French as < Latin: a unit; compare as²]

ACE

1. American Council on Education.

2. Army Corps of Engineers.