CIRRUS

noun a tendril or clasper.

2. cirrus ·noun ·see under cloud.

3. cirrus ·noun the jointed, leglike organs of cirripedia. ·see annelida, and polychaeta.

4. cirrus ·noun the external male organ of trematodes and some other worms, and of certain mollusca.

5. cirrus ·noun a soft tactile appendage of the mantle of many mollusca, and of the parapodia of annelida. those near the head of annelids are tentacular cirri; those of the last segment are caudal cirri.