Definition of "gillyflower"

Clove pink.  examples

(by extension) Any clove-scented flower.  examples

Any of several species of wallflower.  examples

A variety of purplish-red apple with a roundish conical shape and a large core.  examples

(heraldry) A stylized representation of a carnation blossom, usually red, and shown with or without a slip and leaves.  examples