[adj] affected by a disorder of the mind; "a mental patient"; "mental illness"
[adj] involving the mind or an intellectual process; "mental images of happy times"; "mental calculations"; "in a terrible mental state"; "mental suffering"; "free from mental defects"
[adj] of or relating to the chin or median part of the lower jaw
[adj] (biology) of or relating to the chin- or lip-like structure in insects and certain mollusks
[adj] of or relating to the mind; "mental powers"; "mental development"; "mental hygiene"