from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Games A playing card that is the only one of its suit in a player's hand.
- n. An individual separated or distinguished from two or more of its group.
- n. An offspring born alone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A playing card that is the only one of its suit in a hand, especially at bridge.
- n. A single object, especially one of a group.
- n. A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
- n. A set with exactly one element.
from the GNU version of the Collaborative International Dictionary of English
- n. In certain games at cards, as whist, a single card of any suit held at the deal by a player.
from The Century Dictionary and Cyclopedia
- n. A silly fellow; a simpleton.
- n. In whist, a hand containing only one card of some suit; a card which is the only one of a suit in the hand of a player.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the playing card that is the only card in a suit held in a bridge hand as initially dealt
- n. a single object (as distinguished from a pair)
- n. a set containing a single member
From the name Singleton (influenced by single).(American Heritage® Dictionary of the English Language, Fourth Edition)