a state of deep and often prolonged unconsciousness; usually the result of disease or injury
(astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
anglewing butterfly with a comma-shaped mark on the underside of each hind wing
a punctuation mark (,) used to indicate the separation of elements within the grammatical structure of a sentence
