hinge

A jointed or flexible device that allows the pivoting of a door etc.

A naturally occurring joint resembling such hardware in form or action, as in the shell of a bivalve.

A principle, or a point in time, on which subsequent reasonings or events depend.

A stamp hinge, a folded and gummed paper rectangle for affixing postage stamps in an album.

In polyamory, a person connected emotionally or sexually to two others who are not connected to each other.

The median of the upper or lower half of a batch, sample, or probability distribution.

A movement that presents itself as rotation when an off-centre fixed point is taken into account.

One of the four cardinal points, east, west, north, or south.

(dialect) To be in poor health; to be out of sorts.

To attach by, or equip with a hinge.

To depend on something.

To move or already be positioned in such a fashion that it presents itself as rotation when an off-centre fixed point is taken into account.

The breaking off of the distal end of a knapped stone flake whose presumed course across the face of the stone core was truncated prematurely, leaving not a feathered distal end but instead the scar of a nearly perpendicular break.

(no longer used) To bend.