monodigit adjective2 •consisting of one digit repeated several times"The bridge is the pride of the community of Newton Falls, the only town in the U.S. to have a monodigit zip code, 44444." — 1997 •(of a hand) having only one finger[…] the sequential severity of deficiency ranged from a partial defect of phalanges of the middle finger to a monodigit hand. — 1982