A part broken off; a small, detached portion; an imperfect part, either physically or not

(grammar) A sentence not containing a subject or a predicate.

(computing) An incomplete portion of code.

(Internet) A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign.

(intransitive) To break apart.

(transitive) To cause to be broken into pieces.

(transitive, computing) To break up and disperse (a file) into non-contiguous areas of a disk.