单词 | cirrus |
释义 | cirrus/ˈsɪrəs /noun (plural cirri /ˈsɪrʌɪ/) 1 [mass noun] Cloud forming wispy filamentous tufted streaks or ‘mare’s tails’ at high altitude (usually 5 to 13 km, 16,500 to 45,000 ft): long strands of high cirrus stretched across the eastern sky [as modifier]: cirrus clouds...
2 Zoology A slender tendril or hair-like filament, such as the appendage of a barnacle, the barbel of a fish, or the intromittent organ of an earthworm.Once the barnacles extended their cirri (fanlike, food-gathering appendages) and started waving them about to collect nutritious particles in the water, the researchers cast a shadow over them with a piece of cardboard....
2.1 Botany A tendril. DerivativescirrosecirrousOriginEarly 18th century (in the sense 'tendril'): from Latin, literally 'a curl'. Rhymes |
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