noun.
A structure, usually brick or stone, built against a wall for support or reinforcement.
noun.
Something resembling a buttress, as.
noun.
The flared base of certain tree trunks.
noun.
A horny growth on the heel of a horse's hoof.
noun.
Something that serves to support, prop, or reinforce.
transitive verb.
To support or reinforce with a buttress.
transitive verb.
To sustain, prop, or bolster.