grunter

noun4

1. •
   One who grunts.
2. •
   (slang) A pig.

   • We did but keep you surety for our son, / If this be he, — or a draggled mawkin, thou, / That tends her bristled grunters in the sludge[.] — 1849
3. •
   Any of a group of fish of the family Terapontidae, which make a grunting sound when caught.
4. •
   (old-fashioned) A hook used in lifting a crucible.