<p><strong>Noun</strong></p><ul><li>a tool consisting of a solid head, usually of metal, set crosswise on a handle, used for beating metals, driving nails, etc.</li><li>any of various instruments or devices resembling this in form, action, or use, as a gavel, a mallet for playing the xylophone, or a lever that strikes the bell in a doorbell.</li><li>(Firearms) the part of a lock that by its fall or action causes the discharge, as by exploding the percussion cap or striking the primer or firing pin; the cock.</li><li>one of the padded levers by which the strings of a piano are struck.</li><li>(Track) a metal ball, usually weighing 16 pounds (7.3 kilograms), attached to a steel wire at the end of which is a grip, for throwing for distance in the hammer throw.</li><li>(Anatomy) the malleus.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to beat or drive (a nail, peg, etc.) with a hammer.</li><li>to fasten by using hammer and nails; nail (often followed by down, up, etc.): We spent the day hammering up announcements on fences and trees.</li><li>to assemble or build with a hammer and nails (often followed by together): He hammered together a small crate.</li><li>to shape or ornament (metal or a metal object) by controlled and repeated blows of a hammer; beat out: to hammer brass; to hammer a brass bowl.</li><li>to form, construct, or make with or as if with a hammer; build by repeated, vigorous, or strenuous effort (often followed by out or together): to hammer out an agreement; to hammer together a plot.</li><li>to produce with or by force (often followed by out): to hammer out a tune on the piano; to hammer a home run.</li><li>(Synonyms) bang, knock</li><li>to pound or hit forcefully: to hammer someone in the jaw.</li><li>(Synonyms) strike, bang, knock</li><li>to settle (a strong disagreement, argument, etc.); bring to an end, as by strenuous or repeated effort (usually followed by out): They hammered out their differences over a glass of beer.</li><li>(Synonyms) thrash out, solve, resolve, work out</li><li>to present (points in an argument, an idea, etc.) forcefully or compellingly; state strongly, aggressively, and effectively (often followed by home).</li><li>to impress (something) as if by hammer blows: You'll have to hammer the rules into his head.</li><li>(British) (in the London stock exchange) to dismiss (a person) from membership because of default.</li><li>to depress the price of (a stock).</li></ul><p><strong>End of Response</strong></p>