Definition from Wiktionary, the free dictionary
- (botany, zoology) Pertaining to cirri; having filaments, fibrous.
- 1658, And Ivy divided from the root, we have observed to live some years, by the cirrous parts commonly conceived but as tenacles and holdfasts unto it. — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 198)
- Pertaining to cirrus clouds.