invert

intransitive verb

To turn inside out or upside down.

intransitive verb

To reverse the position, order, or condition of: synonym: reverse.

intransitive verb

To subject to inversion.

intransitive verb

To be subjected to inversion.

noun

Something inverted.

noun

In architecture, an inverted arch; specifically, the floor of the lock-chamber of a canal, which is usually in the form of an inverted arch, or the bottom of a sewer.

noun

In telegraphy, an inverted or reversed insulator.