Circle of the gorge

Gorge Gorge, n. [F. gorge, LL. gorgia, throat, narrow pass, and gorga abyss, whirlpool, prob. fr. L. gurgea whirlpool, gulf, abyss; cf. Skr. gargara whirlpool, g[.r] to devour. Cf. {Gorget}.] 1. The throat; the gullet; the canal by which food passes to the stomach. [1913 Webster]

Wherewith he gripped her gorge with so great pain. --Spenser. [1913 Webster]

Now, how abhorred! . . . my gorge rises at it. --Shak. [1913 Webster]

2. A narrow passage or entrance; as: (a) A defile between mountains. (b) The entrance into a bastion or other outwork of a fort; -- usually synonymous with rear. See Illust. of {Bastion}. [1913 Webster]

3. That which is gorged or swallowed, especially by a hawk or other fowl. [1913 Webster]

And all the way, most like a brutish beast, e spewed up his gorge, that all did him detest. --Spenser. [1913 Webster]

4. A filling or choking of a passage or channel by an obstruction; as, an ice gorge in a river. [1913 Webster]

5. (Arch.) A concave molding; a cavetto. --Gwilt. [1913 Webster]

6. (Naut.) The groove of a pulley. [1913 Webster]

7. (Angling) A primitive device used instead of a fishhook, consisting of an object easy to be swallowed but difficult to be ejected or loosened, as a piece of bone or stone pointed at each end and attached in the middle to a line. [Webster 1913 Suppl.]

{Gorge circle} (Gearing), the outline of the smallest cross section of a hyperboloid of revolution.

{Circle of the gorge} (Math.), a minimum circle on a surface of revolution, cut out by a plane perpendicular to the axis.

{Gorge fishing}, trolling with a dead bait on a double hook which the fish is given time to swallow, or gorge.

{Gorge hook}, two fishhooks, separated by a piece of lead. --Knight. [1913 Webster + Webster 1913 Suppl.]