grunt, oink -- (the short low gruff noise of the kind made by hogs)
grunt -- (an unskilled or low-ranking soldier or other worker; "infantrymen in Vietnam were called grunts"; "he went from grunt to chairman in six years")
grunt -- (medium-sized tropical marine food fishes that utter grunting sounds when caught)
Overview of verb grunt
The verb grunt has 1 sense
grunt -- (issue a grunting, low, animal-like noise; "He grunted his reluctant approval")