grunts is a form of:

Grunt



1.
(To speak in jerky growls) រអ៊ូរទាំ
Example: Dogs bark, roosters crow, but pigs grunt, We heard the grunts of the pigs when Grandfather was feeding them.pigs grunt ស្រែក (ជ្រូកខ្លាឃ្មុំ) / grunt with effort បន្លឺសូរអ៊ឹះ (ដូចខំធ្វើអ្វីមួយ)
noun
1.
(a deep, guttural sound, a pigs sound) សម្រែកកូនជ្រូក, អ៊ូរទាំ
  • grunt of a pig
    - សម្រែកជ្រូក, សម្រែកខ្លាឃ្មុំ ។ល។
  • grunt of approval
    - សូរអ៊ឺ (សម្ដែងការយល់ព្រម ។ល។)
ENGLISH MEANING
noun
1.
A deep, guttural sound, as of a hog.
2.
Any one of several species of American food fishes, of the genus Haemulon, allied to the snappers, as, the black grunt (A. Plumieri), and the redmouth grunt (H. aurolineatus), of the Southern United States; -- also applied to allied species of the genera Pomadasys, Orthopristis, and Pristopoma. Called also pigfish, squirrel fish, and grunter; -- so called from the noise it makes when taken.
verb
1.
(TRANSITIVE) To make a deep, short noise, as a hog; to utter a short groan or a deep guttural sound.