Grum (?), a. [Cf. Dan. grum furious, Sw. grym, AS. gram, and E. grim, and grumble. 35.]
1.
Morose; severe of countenance; sour; surly; glum; grim.
"Nick looked sour and
grum."
Arbuthnof.
2.
Low; deep in the throat; guttural; rumbling; as,
© Webster 1913.