suid adjective 1noun 1forms 3 adjective1 •Of or relating to the family Suidae of pigs and related creatures.Owing to the kindness of Mr. M. A. Hinton, I have been able to examine at leisure the large collection of recent Suid skulls in the British Museum. — 1928 noun1 •Any of the family Suidae: a pig or a taxonomically related animal. formssuids · more suid · most suid