Truelove \True"love`\, n. 1. One really beloved. 2. (Bot.) A plant. See {Paris}. 3. An unexplained word occurring in Chaucer, meaning, perhaps, an aromatic sweetmeat for sweetening the breath. --T. R. Lounsbury. Under his tongue a truelove he bore. --Chaucer. {Truelove knot}, a complicated, involved knot that does not readily untie; the emblem of interwoven affection or engagement; -- called also {true-lover's knot}.