This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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.

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.

n. In certain games at cards, as whist, a single card of any suit held at the deal by a player.

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.

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

"Although women with a term singleton cephalic pregnancy with a previous caesarean section (group 5) represented only 11. 4% of the obstetric population, this group was the largest contributor to the overall caesarean section rate (26. 7% of all the caesarean section)."

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