English Explanatory Dictionary

jackhammer

English dictionary entry

Meanings

noun
  1. A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
  2. Something that is very strong but also very rigid.
verb
  1. To use a jackhammer.
  2. To break (something) using a jackhammer.
  3. To form (something) using a jackhammer.
  4. To move like a jackhammer.
  5. To beat hard, to pound. (of the heart or pulse)
  6. To move (something) like a jackhammer.
  7. To strike (something) repeatedly with force, to pound.

Pronunciation

/ˈd͡ʒækˌhæmɚ/ LL-Q1860 (eng)-Flame, not lame-jackhammer.wav

Word forms

jackhammer jackhammers jackhammering jackhammered

Etymology

From jack + hammer.

Synonyms

pneumatic drill
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