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A spear or javelin used to strike and kill large fish, as whales; a harping iron. It consists of a long shank, with a broad, fiat, triangular head, sharpened at both edges, and is thrown by hand, or discharged from a gun. Harpoon fork, a kind of hayfork, consisting of bar with hinged barbs at one end a loop for a rope…

griculture, usually formed of pieces of timber or metal crossing each other, and set with iron or wooden teeth. It is drawn over plowed land to level it and break the clods, to stir the soil and make it fine, or to cover seed when sown.

An instrument with long iron teeth set in a board, for cleansing flax or hemp from the tow, hards, or coarse part; a kind of large comb; -- called also hackle and heckle.

A stand of wood or iron, with hooks or pegs upon which to hang hats, etc.

erwise. It has raised . . . heats in their faces. Addison. The heats smiths take of their iron are a blood-red heat, a white- flame heat, and a sparking or welding heat. Moxon.

struck it. Heeling error (Naut.), a deviation of the compass caused by the heeling of an iron vessel to one side or the other.

A mineral of a yellowish color, consisting chiefly of silica, glucina, manganese, and iron, with a little sulphur.

fringe. Spenser. To hem about, around, or in, to inclose and confine; to surround; to environ. "With valiant squadrons round about to hem." Fairfax. "Hemmed in to be a spoil to tyranny." Daniel. -- To hem out, to shut out. "You can not hem me out of London." J. Webster.

A bluish black, amorphous substance containing iron and obtained from blood. It exists the red blood corpuscles united with globulin, and the form of hemoglobin or oxyhemoglobin gives to the blood its red color.

Any substance, such as an iron salt or organic compound containing iron, which when ingested tends to increase the hemoglobin contents of the blood.

A red consisting of silica, borax, and soda, fused with oxide of copper and iron, and used in enamels, mosaics, etc.

An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.…

A crystalline or amorphous pigment, free from iron, formed from hematin in old blood stains, and in old hemorrhages in the body. It resembles bilirubin. When present in the corpora lutea it is called hæmolutein.

A beam or bar armed with iron spikes, and turning on a pivot; - - used to block up a passage.

A kind of gate or portcullis, having iron bars, like a harrow, studded with iron spikes. It is hung above gateways so that it may be quickly lowered, to impede the advance of an enemy. Farrow.

A soft black, iron ore, nearly earthy, a hydrous silicate of iron.

The flat projection or iron shelf at the side of a fire grate, where things are put to be kept warm. Smart.

and arranging the earth about plants in fields and gardens. It is made of a flat blade of iron or steel having an eye or tang by which it is attached to a wooden handle at an acute angle.

-- Hollow square. See Square. -- Hollow ware, hollow vessels; -- a trade name for cast-iron kitchen utensils, earthenware, etc.

Meteoric iron; a meteorite consisting of metallic iron without stony matter.