tee·ter (tē'tər)

v., -tered, -ter·ing, -ters.

v.intr.

1. To walk or move unsteadily or unsurely; totter.
2. To alternate, as between opposing attitudes or positions; vacillate.
3. To seesaw.

v.tr.
To cause to teeter or seesaw.

n. Northeastern U.S.

1. See seesaw (sense 1). See Regional Note at teeter-totter.
2. A teetering motion.

[Middle English titeren, probably from Old Norse titra, to shake.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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