teeter-totter

Definitions

1. A seesaw; a piece of playground equipment consisting of a long board with seats at either end, with a pivot point in the center.
   Canada, US, childish, often
2. 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.
   Atlantic-Canada, Northeastern, US, childish, often

Equivalents

CEFR level