The Collaborative International Dictionary
Red-gum
Red-gum \Red"-gum`\ (-g?m`), n. [OE. reed gounde; AS. re['a]d red + gund matter, pus.]
(Med.) An eruption of red pimples upon the face, neck, and arms, in early infancy; tooth rash; strophulus.
--Good.A name of rust on grain. See Rust.
Wiktionary
red-gum
n. 1 (context medicine English) An eruption of red pimples in early infancy; tooth rash; strophulus. 2 rust on grain