Rebus n. : A mode of expressing words and phrases by pictures of objects whose names resemble those words, or the syllables of which they are composed; enigmatical representation of words by figures; hence, a peculiar form of riddle made up of such representations.

Rebus n. : A pictorial suggestion on a coat of arms of the name of the person to whom it belongs. See Canting arms, under Canting.

Rebus v. t. : To mark or indicate by a rebus.

Example:
What is the pronunciation Rebus for neon?

Taxonomy
rebus, Rebuses, rebus puzzles, Rebus principle, pictograms, free encyclopedia, hieroglyphs, Ra, picture, game shows, Fugio, Inspector Rebus, Detective Inspector John Rebus, leo, sundial, mind your business, do your work, heraldry.

Defination from the web:
rebus form became popular in the 18th century and continued into the 19th century. ... Lone Star Beer has rebus puzzles under the crown caps of its bottled beer, as do National Bohemian, Lucky Lager, Falstaff, Olympia, Rainier, ...