cirrus (redirected from cirri)

cirrus

1. Meteorol a thin wispy fibrous cloud at high altitudes, composed of ice particles

2. a plant tendril or similar part

3. Zoology

a. a slender tentacle or filament in barnacles and other marine invertebrates

b. a hairlike structure in other animals, such as a filament on the appendage of an insect or a barbel of a fish

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cirrus [′sir·əs]

(invertebrate zoology)

The conical locomotor structure composed of fused cilia in hypotrich protozoans.

Any of the jointed thoracic appendages of barnacles.

Any hairlike tuft on insect appendages.

The male copulatory organ in some mollusks and trematodes.

(vertebrate zoology)

Any of the tactile barbels of certain fishes.

(zoology)

A tendrillike animal appendage.