any of various marine gastropod mollusks without a shell or with a very small internal shell

A soft-bodied gastropod mollusk that looks like a snail without a shell; it lives in damp places and often harms garden crops. Also known as [[蜒蚰|蜒蚰|yan2 you2]] or informally as [[鼻涕虫|鼻涕蟲|bi2 ti4 chong2]].

(literary) spider