nosh I. \ˈnäsh\verb (-ed/-ing/-es-s) Etymology: Yiddish nashn, from Middle High German naschen to nibble, from Old High German nascōn — more at nesh intransitive verb : to eat a snack transitive verb : chew : munch • nosh·er\-shə(r)\noun II. \"\noun (-es) 1.: a light snack 2.chiefly Britain a.: meal b.: food