noun Etymology: French, from English single Date: 1876 a card that is the only one of its suit originally dealt to a player, 2. an individual member or thing distinct from others grouped with it, an offspring born singly
SINGLETON
Meaning of SINGLETON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012