n. Any passage from large to small cross-section, as in a pipe which leads off from a main, where in the neck of the joint the area is enlarged to give easy flow and smooth curves.n. The top or head opening of a shaft or blast-furnace through which the charges of ore fuel and flux are dumped by gravity.n. The curve where the flange of railway car-wheels joins the straight cylindrical or conical part of the tread. This throat part bears against the upper corner of the head of the railn. In geology, the upper portion of a volcanic conduit, which is adjacent to the crater.n. The front part of the mold-board of a plow.n. The front of the neck below the chin and above the collar-bone; technically, the jugular region, jugulum, or guttur.n. The passage from the mouth to the stomach or to the lungs.n. The air-passage in the throat; the windpipe; technically, the larynx and trachea: as, to form musical notes in the throat.n. Something resembling or analogous to the human throat.n. Nautical: The central part of the hollow of a breast-hook or knee.n. The inner end of a gaff, where it widens and hollows in to fit the mast. See cut under gaff.n. The inner part of the arms of an anchor, where they join the shank.n. The upper front corner of a four-sided fore-and-aft sail.n. In ship-building, the middle part of a floor-timber.n. In building, the part of a chimney, usually contracted, between the fireplace proper and the gathering.n. The narrowed entrance to the neck of a puddling-furnace, where the area of flue-passage is regulated. See cut under puddling-furnace.n. In plate glass manufacturing, the front door of the annealing-arch.n. The entranceway in a threshing-machine, where the grain in the straw-passes from the feed-board to the cylinder.n. The opening in a plane-stock through which the shavings pass upward.n. That part of the spoke of a wheel which lies just beyond the swell at the junction of the hub.n. In fortification, same as gorge; also, the smaller or inside opening of an embrasure (which see).n. In angling, a straitened body of water flowing with a smooth current through a narrow place, as between rocks in a river.To utter in a guttural tone; mutter.To channel or groove.