Definition of: truckle

(truk′əl) v. ·led, ·ling v.i.
1. To yield meanly or weakly: with to.
2. To roll on truckles or casters.
—v.t.
3. To cause to roll on truckles or casters. [<noun]
—noun
1. A small wheel.
2. Dial. A trundle bed. [<AF trocle, trokle <L trochlea. See TROCHLEA.]
—truck′ler noun
—truck′ling·ly adverb