(1):
(n.) The peduncle or stem by which various marine animals are attached, as certain brachiopods and goose barnacles.
(2):
(n.) The stem which supports which supports the eye in decapod Crustacea; eyestalk.
(3):
(n.) The stalk of a leaf or of flower; a petiole, pedicel, or reduncle.
(4):
(n.) The lower part of a millstone spindle. It rests in a step.