(pharmacology) An H₂ antagonist C₈H₁₅N₇O₂S₃ (trademark Pepcid) used to inhibit gastric acid secretion especially in the short-term treatment of gastric and duodenal ulcers and gastroesophageal refl...

One who sends mail. / A computer program that sends electronic mail. / A packet or container designed for postal use. / A mailshot; advertising sent by mail.

plural of periodical comet

Alternative form of Queen's English