Rebus

n.	1.	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.
	2.	(Her.) A pictorial suggestion on a coat of arms of the name of the person to whom it belongs. See Canting arms, under Canting.
v. t.	1.	To mark or indicate by a rebus. He [John Morton] had a fair library rebused with More in text and Tun under it. - Fuller.

Noun

1.

rebus - a puzzle where you decode a message consisting of pictures representing syllables and words

problem