arcade UK /ɑːˈkeɪd/US /ɑɹˈkeɪd/noun 3verb 1forms 3 noun3 •A row of arches.The walk down to the Underground station is equally easy, as you pass through the restored undercroft along an arcade of two-way spanning 'quadripartite' arches. — 2022 •Clipping of amusement arcade. •A covered passage, usually with shops on both sides. verb1 •To cover (something) as with a series of arches. formsarcaded · arcading · arcades