Definition - A character or symbol that is used in place of a word.

Example -
The symbol @ when it is used to represent the word at.

Etymology -
The term derives from the Greek logos, word + gram, that which is written.

Oxford English Dictionary -
The first citation for the term in this sense is from 1840:
"The hooked vr is used as a logogram for very."
(I. Pitman Man. Phonography §159 (1845) 46)

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