(computing) To reset or unset; to return to an empty state or to zero.
(computing) To style (an element within a document) so that it is not permitted to float at a given position.
Noun
(carpentry) Full extent; distance between extreme limits; especially; the distance between the nearest surfaces of two bodies, or the space between walls.
(cryptology) State of being unenciphered. (In the clear: Not enciphered.)