// n. A symbol used to denote that what follows is syntactically well-formed but semantically bizarre: #Paul is a British trumpeter but a French...

n. The symbol #, commonly used to represent a single word...

In Ice hockey, the hash marks are two pairs of parallel lines on either sides of the face-off circles in both ends of the rink. In American football and Canadian football, the hash marks are two rows of lines near the middle of the field that are...