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seesaw

[see-saw]
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noun
  1. a recreation in which two children alternately ride up and down while seated at opposite ends of a plank balanced at the middle.
  2. a plank or apparatus for this recreation.
  3. an up-and-down or a back-and-forth movement or procedure.
  4. Whist. a crossruff.
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adjective
  1. moving up and down, back and forth, or alternately ahead and behind: It was a seesaw game with the lead changing hands many times.
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verb (used without object)
  1. to move in a seesaw manner: The boat seesawed in the heavy sea.
  2. to ride or play on a seesaw.
  3. to keep changing one's decision, opinion, or attitude; vacillate.
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verb (used with object)
  1. to cause to move in a seesaw manner.
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Origin of seesaw

1630–40 as part of a jingle accompanying a children's game; gradational compound based on saw1

Regional variation note

Although seesaw (def. 2) is the most widely used term in the U.S., teetertotter is also in wide use in the Northern, North Midland, and Western regions. Tilting board and its variants tilt board and tiltering board are New Eng. terms, especially Eastern New Eng., while tinter and its variant teenter are associated with Western New Eng.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

vacillatefluctuatewaverteeteralternateswayrockteeter-totter

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British Dictionary definitions for seesaw

seesaw

noun
  1. a plank balanced in the middle so that two people seated on the ends can ride up and down by pushing on the ground with their feet
  2. the pastime of riding up and down on a seesaw
    1. an up-and-down or back-and-forth movement
    2. (as modifier)a seesaw movement
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verb
  1. (intr) to move up and down or back and forth in such a manner; oscillate
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Word Origin

C17: reduplication of saw 1, alluding to the movement from side to side, as in sawing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012