Entry 1 sense Webster, 1913 cornbind /(kôrn"bīnd`)/ · corn·bind · IPA 01 n. A weed that binds stalks of corn, as Convolvulus arvensis, Polygonum Convolvulus. 1. A weed that binds stalks of corn, as Convolvulus arvensis, Polygonum Convolvulus.(Bot.) [Prov. Eng.]