ring finger

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The third finger of the left hand.

from The Century Dictionary.

• noun The third finger of the left hand, on which the marriage-ring is placed; in anatomy, the third finger of either hand, technically called the annularis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Finger between middle finger and little finger; the "third finger" (UK) or the "fourth finger" (US), especially of the left hand. (The ring finger is the left hand; a ring finger is either hand.)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the third finger (especially of the left hand)