LOGOTYPE
logo, logotype
(noun) a company emblem or device
Source: WordNet® 3.1
Etymology
Noun
logotype (plural logotypes)
A symbol or emblem that acts as a trademark or a means of identification of an institution or other entity, usually referred to as a logo.
Synonym: logo
(typography) A single type combining two or more letters (as a ligature or otherwise).
Synonym: ligature
Source: Wiktionary
Log"o*type, n. Etym: [Gr. -type.] (Print.)
Definition: A single type, containing two or more letters; as, æ, Æ, fi,
fl, ffl, etc. ; -- called also ligature.
Source: Webster’s Unabridged Dictionary 1913 Edition