plural of bellow

(Roman law, civil law) A gratuitous loan for the temporary use of a thing to be returned after a fixed or determinable time. / A contract in which movables are loaned in this way.

(uncountable, inorganic chemistry) The radical SOH treated as a stable compound / (countable, inorganic chemistry) Any acid, such as sulfuric acid or sulfurous acid that has a single sulfur atom

(historical, nautical) Left-over residue in a cask of rum.