[UNI- 2.] A telegraphic code in which one word or set of letters represents a sentence or phrase; a telegram or message in this.
1886. Unicode: The Universal Telegraphic Phrase-Book, Pref. p. iii. The Unicode aims at a low price. Ibid., p. v. The Unicode word Obumbro.
1897. Westm. Gaz., 20 Jan., 6/3. [He] gave evidence as to sending a unicode to both [persons].
1899. Daily News, 23 Dec., 5/3. The dispatch of messages in Unicode.