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Definition of Singleton
1. Noun. A single object (as distinguished from a pair).
2. Noun. A set containing a single member.
Generic synonyms: Set
3. Noun. The playing card that is the only card in a suit held in a bridge hand as initially dealt.
Generic synonyms: Playing Card
Definition of Singleton
1. n. In certain games at cards, as whist, a single card of any suit held at the deal by a player; as, to lead a singleton.
Definition of Singleton
1. Noun. (context: playing cards) A playing card that is the only one of its suit in a hand, especially at bridge. ¹
2. Noun. A single object, especially one of a group. ¹
3. Noun. (computing) A class that may not be instantiated more than once, i.e. that implements the singleton design pattern. ¹
4. Noun. (mathematics) A set with exactly one element. ¹
¹ Source: wiktionary.com
Definition of Singleton
1. [n -S]