| promethea | <zoology> A large American bombycid moth (Callosamia promethea). Its larva feeds on the sassafras, wild cherry, and other trees, and suspends its cocoon from a branch by a silken band. Origin: NL. See Prometheus. Source: Websters Dictionary (01 Mar 1998) |
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| promethean | <chemistry> An apparatus for automatic ignition. A kind of lucifer match. Source: Websters Dictionary (01 Mar 1998) |