tonsilla ton·silla uncommon noun 1. either of two masses of lymphatic tissue one on each side of the oral pharynx Synonymstonsilpalatine tonsilfaucial tonsil Related words Word family tonsilla adenoideatonsilla pharyngealis Broader terms lymphatic tissue Parts nasopharynx WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
