Meaning of SPROCKET in English

SPROCKET

/ ˈsprɒkɪt; NAmE ˈsprɑːkɪt/ noun

1.

(also ˈsprocket wheel ) a wheel with a row of teeth around the edge that connect with the holes of a bicycle chain or with holes in a film, etc. in order to turn it

2.

one of the teeth on such a wheel

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WORD ORIGIN

mid 16th cent. (denoting a triangular piece of timber used in a roof): of unknown origin.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.