Word: cirrus Word origin: early 18th century (in the sense ‘tendril’): from Latin, literally ‘a curl’. Phonetic: ˈsɪrəs Listen:
cloud forming wispy filamentous tufted streaks or ‘mare's tails’ at high altitude (usually 5 to 13 km, 16,500 to 45,000 ft). Example: long strands of high cirrus stretched across the eastern sky
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.
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