define stalks
uk â /stÉËk/ us â /stÉËk/. âº the main stem of a plant, or the narrow stem that joins leaves, flowers, or fruit to the main stem of a plant: She trimmed the stalks of the tulips before putting them in a vase. âº a narrow structure that supports a part of the body in some animals: The eyes of shrimps are on movable stalks.