aerographer's mate

noun

aer·​og·​ra·​pher's mate ˌer-ˈä-grə-fərz- 

: a navy petty officer specializing in meteorology

Word History

Etymology

aerographer "warrant officer charged with observing weather," from aerography "meteorology" (from aero- + -graphy) + -er entry 2

First Known Use

1947, in the meaning defined above