毛叢; 絮狀雲; 絮狀雲
Floccus \Floc"cus\, n.; pl. {Flocci}. [L., a flock of wool.] 1. (Zo["o]l.) (a) The tuft of hair terminating the tail of mammals. (b) A tuft of feathers on the head of young birds. 2. (Bot.) A woolly filament sometimes occuring with the sporules of certain fungi.