fishmouth

English

Etymology

fish +‎ mouth

Noun

fishmouth (plural fishmouths)

  1. (roofing) A half-cylindrical or half-conical shaped opening or void in a lapped edge or seam, usually caused by wrinkling or shifting of ply sheets during installation.
  2. (surgery) A wide incision made to drain fluid from under the fingernail.
  3. (surgery) A horizontal incision on the breast aligned with the nipples made to drain or excise the breast fat as a form of top surgery.
  4. (colloquial) A chronically open mouth.
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