Real Dictionary

retort
verb: To retort means to reply angrily to someone.

retort in American English 1
a quick, sharp, or witty reply, esp. one that turns the words of the previous speaker back upon that speaker
to reply, esp. in a sharp, quick, or witty way, or in kind
to turn (an insult, epithet, deed, etc.) back upon the person from whom it came
noun: a severe, incisive, or witty reply, esp. one that counters a first speaker's statement, argument, etc
transitive verb: to reply to, usually in a sharp or retaliatory way; reply in kind to

retort in American English 2
a container, generally of glass and with a long tube, in which substances are distilled, as in a laboratory
noun: a vessel, commonly a glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat
transitive verb: to sterilize food after it is sealed in a container, by steam or other heating methods

retort in British English 1
noun: a sharp, angry, or witty reply
verb: to utter (something) quickly, sharply, wittily, or angrily, in response

retort in British English 2
noun: a glass vessel with a round bulb and long tapering neck that is bent down, used esp in a laboratory for distillation
verb: to heat in a retort