teeth arm

noun

teeth arm

noun

1

Government, Military, Politics, War In plural, Slang Any branch of the military that engages in direct combat.

During the recent hostilities all the teeth arms units of the Territorial Army were embodied for military service.1967, Military Year-book, volume 3, page 37:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.