(1):
(n.) A tuft or bunch, - as the assemblage of branches forming the head of a tree; or a cluster of bracts when empty and terminating the inflorescence of a plant; or a tuft of long hairs on certain seeds.
(2):
(n.) A state of profound insensibility from which it is difficult or impossible to rouse a person. See Carus.
(3):
(n.) The envelope of a comet; a nebulous covering, which surrounds the nucleus or body of a comet.