1 a person who carries a message.
2 a person employed to carry messages.
Phrases and idioms:
King's (or Queen's) Messenger a courier in the diplomatic service. messenger RNA a form of RNA carrying genetic information from DNA to a ribosome.
Usage:
Abbr.: mRNA.
Etymology: ME & OF messager (as MESSAGE): -n- as in harbinger, passenger, etc.
Useful english dictionary. 2012.