tonsil

noun

A small oral mass of lymphoid tissue, especially either of two such masses embedded in the lateral walls of the opening between the mouth and the pharynx, of uncertain function, but believed to help protect the body from respiratory infections.

noun

One of two prominent oval bodies situated in the recesses formed, one on each side of the fauces, between the anterior and posterior palatine arches.

noun

One of a pair of small superficial lobes of the cerebellum; the cerebellar amygdala. Also tonsilla in both senses.

noun

One of the two glandular organs situated in the throat at the sides of the fauces. The tonsils are sometimes called the almonds, from their shape.

noun

Either of a pair of small masses of lymphoid tissue that lie on each side of the throat and that help protect the body against infection; palatine tonsil.

noun

Any of various small masses of lymphoid tissues, including palatine tonsils, adenoids and lingual tonsils.

noun

either of two masses of lymphatic tissue one on each side of the oral pharynx