(botany) a short, stiff, straight leaf hair.

(computing) A Windows executable file.

A follower of Henry Barrowe (c. 1550–1593), English Puritan and separatist.

(organic chemistry) The phthalide (3Z,6S,7S)-3-butylidene-6,7-dihydroxy-4,5,6,7-tetrahydro-2-benzofuran-1-one or any of its derivatives that are used to counter migraine