crown-saw

CIDE DICTIONARY

crown-saw, n. [From its supposed resemblance to a crown.].

A saw in the form of a hollow cylinder, with teeth on the end or edge, and operated by a rotative motion. [1913 Webster]

" The trephine was the first of the class of crownsaws." Knight. [1913 Webster]

For further exploring for "crown-saw" in Webster Dictionary Online

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