Definition of "gummous" [gum•mous]

• Made of or resembling gum. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Now in ordinary cases, that is, when I am only stupid, and the thoughts rise heavily and pass gummous through my pen —"
• "(I should be glad to hear if there is such a book, with a potent remedy for just common dulness -- the usual opaque, gummous, slow, thick, or fat head.)"
• "Amber! humph! here it is, ` A yellow transparent substance of a gummous or bituminous consistence, but of a resinous taste, and a smell like oil of turpentine; chiefly found in the Baltic sea or the coast of Prussia. '"