teeter-totter noun 2verb 1forms 3 noun2 •(US, Canada) A seesaw; a piece of playground equipment consisting of a long board with seats at either end, with a pivot point in the center. •(US) A type of glider swing; a piece of playground equipment consisting of a tandem swing attached to a swingset, with two riders facing each other. verb1 •(US, Canada) To ride a seesaw. formsteeter-tottered · teeter-tottering · teeter-totters