n. A long plank balanced on a central fulcrum so that with a person riding on each end, one end goes up as the other goes down. Also called regionally dandle, dandle board, teedle board, teeter, teeterboard, teeter-totter, tilt1, tilting board. See Regional Note at teeter-totter.n. The act or game of riding a seesaw.n. A back-and-forth or up-and-down movement, as of the lead between two contesting parties.verb-intransitive. To play on a seesaw.verb-intransitive. To move back and forth or up and down.