thumbtack

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈθʌmtæk/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈθʌmˌtæk/ ,USA pronunciation: respelling(thumtak′)


WordReference Random House Learner's Dictionary of American English © 2020
thumb•tack /ˈθʌmˌtæk/USA pronunciation   n. [countable]
  1. Buildinga tack with a large, flat head, to be pushed into a board by the pressure of the thumb.

WordReference Random House Unabridged Dictionary of American English © 2020
thumb•tack  (thumtak′),USA pronunciation n. 
  1. Buildinga tack with a large, flat head, designed to be thrust into a board or other fairly soft object or surface by the pressure of the thumb.

v.t. 
  1. Buildingto attach or tack by means of a thumbtack.
  • thumb + tack1 1880–85, American.

Collins Concise English Dictionary © HarperCollins Publishers::
thumbtack /ˈθʌmˌtæk/ n
  1. chiefly US Canadian a short tack with a broad smooth head for fastening papers to a drawing board, etc
    Also called (esp in Britain): drawing pin
'thumbtack' also found in these entries (note: many are not synonyms or translations):
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