Found 2 items, similar to Drop hammer.
English → English
Definition: drop hammer
n : device for making large forgings [syn: drop forge
, drop press
English → English
Definition: Drop hammer
(h[a^]m"m[~e]r), n. [OE. hamer, AS. hamer,
hamor; akin to D. hamer, G. & Dan. hammer, Sw. hammare, Icel.
hamarr, hammer, crag, and perh. to Gr. 'a`kmwn anvil, Skr.
1. An instrument for driving nails, beating metals, and the
like, consisting of a head, usually of steel or iron,
fixed crosswise to a handle.
With busy hammers closing rivets up. --Shak.
2. Something which in form or action resembles the common
(a) That part of a clock which strikes upon the bell to
indicate the hour.
(b) The padded mallet of a piano, which strikes the wires,
to produce the tones.
(c) (Anat.) The malleus. See under Ear
(d) (Gun.) That part of a gunlock which strikes the
percussion cap, or firing pin; the cock; formerly,
however, a piece of steel covering the pan of a
flintlock musket and struck by the flint of the cock
to ignite the priming.
(e) Also, a person or thing that smites or shatters; as,
St. Augustine was the hammer of heresies.
He met the stern legionaries [of Rome] who had
been the “massive iron hammers”
of the whole
earth. --J. H.
3. (Athletics) A spherical weight attached to a flexible
handle and hurled from a mark or ring. The weight of head
and handle is usually not less than 16 pounds.
[Webster 1913 Suppl.]
, a dead-stroke hammer in which the
spring is formed by confined air.
, Face hammer
, etc. See under Drop
. See Hammerhead
, the process of hardening metal by
hammering it when cold.
(Zo["o]l.), any species of Malleus
, a genus
of marine bivalve shells, allied to the pearl oysters,
having the wings narrow and elongated, so as to give them
a hammer-shaped outline; -- called also hammer oyster
To bring to the hammer
, to put up at auction.
(dr[o^]p), n. [OE. drope, AS. dropa; akin to OS.
dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw.
droppe; and Fr. AS. dre['o]pan to drip, drop; akin to OS.
driopan, D. druipen, OHG. triofan, G. triefen, Icel.
drj[=u]pa. Cf. Drip
1. The quantity of fluid which falls in one small spherical
mass; a liquid globule; a minim; hence, also, the smallest
easily measured portion of a fluid; a small quantity; as,
a drop of water.
With minute drops from off the eaves. --Milton.
As dear to me as are the ruddy drops
That visit my sad heart. -- Shak.
That drop of peace divine. --Keble.
2. That which resembles, or that which hangs like, a liquid
drop; as a hanging diamond ornament, an earring, a glass
pendant on a chandelier, a sugarplum (sometimes
medicated), or a kind of shot or slug.
(a) Same as Gutta
(b) Any small pendent ornament.
4. Whatever is arranged to drop, hang, or fall from an
elevated position; also, a contrivance for lowering
(a) A door or platform opening downward; a trap door; that
part of the gallows on which a culprit stands when he
is to be hanged; hence, the gallows itself.
(b) A machine for lowering heavy weights, as packages,
coal wagons, etc., to a ship's deck.
(c) A contrivance for temporarily lowering a gas jet.
(d) A curtain which drops or falls in front of the stage
of a theater, etc.
(e) A drop press or drop hammer.
(f) (Mach.) The distance of the axis of a shaft below the
base of a hanger.
5. pl. Any medicine the dose of which is measured by drops;
as, lavender drops.
6. (Naut.) The depth of a square sail; -- generally applied
to the courses only. --Ham. Nav. Encyc.
7. Act of dropping; sudden fall or descent.
, Black drop
. See under Ague
Drop by drop
, in small successive quantities; in repeated
portions. “Made to taste drop by drop more than the
bitterness of death.”
. See Drop
, n., 4.
(a) A forging made in dies by a drop hammer.
(b) The process of making drop forgings.
(Mech.), a hammer for forging, striking up
metal, etc., the weight being raised by a strap or similar
device, and then released to drop on the metal resting on
an anvil or die.
(Football), a kick given to the ball as it
rebounds after having been dropped from the hands.
, a pigment obtained from Brazil wood. --Mollett.
, a letter to be delivered from the same office
(Mech.), a drop hammer; sometimes, a dead-stroke
hammer; -- also called drop.
, a drop curtain on which a scene is painted. See
, n., 4.
. (Bot.) See the List under Glass
. (Med.) See Amaurosis