Entry 3 senses Webster, 1913 Grunter /(grŭnt"ẽr)/ · Grunt·er · IPA /ˈɡɹʌntə/ 01 n. One who, or that which, grunts; specifically, a hog. 1. One who, or that which, grunts; specifically, a hog. 2. One of several American marine fishes. See Sea robin, and Grunt, n., 2.(Zool.) See: Sea robin, Grunt 3. A hook used in lifting a crucible.(Brass Founding)