invert
intransitive verbTo turn inside out or upside down.
intransitive verbTo reverse the position, order, or condition of: synonym: reverse.
intransitive verbTo subject to inversion.
intransitive verbTo be subjected to inversion.
nounSomething inverted.
nounIn 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.
nounIn telegraphy, an inverted or reversed insulator.