cirrus
cirrus
1. (pl. cirri) In certain ciliate protozoa, an organelle, formed by the fusion of a group of cilia, which usually functions in locomotion.
2. In many invertebrates, a slender bodily appendage, often resembling a tentacle. In Polychaeta it bears cilia.
3. In some flatworms and trematodes, an eversible copulatory organ.
4. In some fishes (e.g. Creediidae) a tuft of skin on the jaw.
5. See CIRRIPEDIA.
1. (pl. cirri) In certain ciliate protozoa, an organelle, formed by the fusion of a group of cilia, which usually functions in locomotion.
2. In many invertebrates, a slender bodily appendage, often resembling a tentacle. In Polychaeta it bears cilia.
3. In some flatworms and trematodes, an eversible copulatory organ.
4. In some fishes (e.g. Creediidae) a tuft of skin on the jaw.
5. See CIRRIPEDIA.
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.
cirrus
cir·rus / ˈsirəs/ • n. (pl. cir·ri / ˈsirˌī; ˈsirē/ ) 1. cloud forming wispy filamentous tufted streaks (“mare's tails”) at high altitude, usually 16,500–45,000 feet (5–13 km).2. Zool. a slender tendril or hairlike filament, such as the appendage of a barnacle, the barbel of a fish, or the intromittent organ of an earthworm. ∎ Bot. a tendril.
cirrus
cirrus (plural cirri) From the Latin cirrus, meaning a tuft or lock of hair.
1. A cloud type comprising 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, which usually functions in locomotion or feeding.
1. A cloud type comprising 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, which usually functions in locomotion or feeding.
cirrus
cirrus (bot.) tendril; (zool.) filamentary appendage XVIII; form of cloud having the appearance of wisps XIX. — L., ‘curl’, comb. form cirro- (see -o-), as in cirro-cumulus, -stratus XIX.
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