any external prop or support built to steady a structure by opposing its outward thrusts, especially a projecting support built into or against the outside of a masonry wall

lacking in wholesome vigor; decadent

the state of being no longer used or practiced

a plug stopping the upper end of a pipe, as a recorder or a whistle, and having a narrow slit through which the player blows

the principle or practice of unselfish concern for or devotion to the welfare of others (opposed to egoism)

equivalent, as in value, force, effect, or signification

causing or capable of causing laughter; laughable; ludicrous

to make favorably inclined; appease; conciliate

the leader or conductor of an orchestra or choir

the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors

menacing; threatening

erratic and unpredictable in behavior or direction

the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only partly cut off

(of ideas or writings) dry and uninteresting

a person whose hobby is using a metal detector

of or relating to animals, usually worms or bivalves, that ingest earth or mud to extract the organic matter from it