(Greek mythology) Odysseus's trusted counselor. He was assigned the responsibility of raising Odysseus's son Telemachus while Odysseus was away fighting in Troy.

(psychology) Repression of painful thoughts. / (psychology) Inability to continue a train of thought.

Having both physical and mental aspects; involving both the body and the mind; psychosomatic.

(derogatory slang) A psychiatric hospital, or the psychiatric ward of a hospital.

(idiomatic) Used to precede another comment about something just mentioned.

(uncountable, psychiatry) The property of being mentally ill; mental disorders taken as a whole. / (countable, psychiatry) A mental disorder.

(linguistics, philosophy) A distinction between the use of a word for its meaning (as in "Cheese is derived from milk") and the mention of a word as a lexical unit (as in " 'Cheese' is derived from a word in Old English").

plural of use-mention distinction

plural of mental institution

plural of mentalis