mandolin /ˈmændə(ˌ)lɪn/noun 2verb 1forms 3 noun2 •A stringed instrument of the lute family, having eight strings in four courses, frequently tuned as a violin, and with either a bowl-shaped back or a flat back. •A kitchen tool for julienning vegetables. verb1 •To slice using a madolin; to julienne.One Monday night I peeled potatoes over the sink, ready to mandolin them into thin slices and bake on top of a pie I had a recipe for in the newspaper on Saturday. — 2021 formsmandolined · mandolining · mandolins