【医】 屈戍关节

Hinge \Hinge\, n. [OE. henge, heeng; akin to D. heng, LG. henge,
Prov. E. hingle a small hinge; connected with hang, v., and
Icel. hengja to hang. See {Hang}.]
1. The hook with its eye, or the joint, on which a door,
gate, lid, etc., turns or swings; a flexible piece, as a
strip of leather, which serves as a joint to turn on.

The gate self-opened wide,
On golden hinges turning. --Milton.

2. That on which anything turns or depends; a governing
principle; a cardinal point or rule; as, this argument was
the hinge on which the question turned.

3. One of the four cardinal points, east, west, north, or
south. [R.]

When the moon is in the hinge at East. --Creech.

Nor slept the winds . . . but rushed abroad.
--Milton.

{Hinge joint}.
(a) (Anat.) See {Ginglymus}.
(b) (Mech.) Any joint resembling a hinge, by which two
pieces are connected so as to permit relative turning
in one plane.

{To be off the hinges}, to be in a state of disorder or
irregularity; to have lost proper adjustment. --Tillotson.