Definition of leanest:
(v) :
(intransitive) To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating.
(v) :
(copulative) To incline in opinion or desire; to conform in conduct; often with to, toward, etc.
(v) :
(Followed by against, on, or upon) To rest or rely, for support, comfort, to use as a hard surface for writing, etc.
(adj) :
(of a person or animal) Slim; not fleshy.
(adj) :
(of meat) Having little fat.
(adj) :
Having little extra or little to spare; scanty; meagre.