(bound form) fundamental; basic; primary; starting

(bound form) base; foundation; the bottom part of a building or structure

(bound form) to be based on or founded upon

(bound form) a group of atoms that behave as a single unit in a chemical reaction; a radical

(bound form) the imperial throne

(bound form) gay, a phonetic loanword from English via Cantonese; often used in slang

a Chinese surname