cirrus
cirrus(plural cirri) A Latin word meaning ‘a tuft or lock of hair’.
1. A cloud type that comprises high-level, banded clouds in fibrous filaments aligned approximately along their line of movement. See also cloud classification.
2. In certain ciliate protozoa, an organelle formed by the fusion of a group of cilia (see cilium), which usually functions in locomotion or feeding.
3. In many invertebrates, a slender bodily appendage, often resembling a tentacle. In polychaete worms (Polychaeta) it bears cilia (see cilium).
4. In some flatworms and trematodes, an eversible copulatory organ.
5. In some fishes (e.g. Creediidae) a tuft of skin on the jaw.
1. A cloud type that comprises high-level, banded clouds in fibrous filaments aligned approximately along their line of movement. See also cloud classification.
2. In certain ciliate protozoa, an organelle formed by the fusion of a group of cilia (see cilium), which usually functions in locomotion or feeding.
3. In many invertebrates, a slender bodily appendage, often resembling a tentacle. In polychaete worms (Polychaeta) it bears cilia (see cilium).
4. In some flatworms and trematodes, an eversible copulatory organ.
5. In some fishes (e.g. Creediidae) a tuft of skin on the jaw.
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cirrus