Definition of seesaw
(Entry 1 of 2)
1
: an alternating up-and-down or backward-and-forward motion or movement
also
: a contest or struggle in which now one side now the other has the lead
2a
: a pastime in which two children or groups of children ride on opposite ends of a plank balanced in the middle so that one end goes up as the other goes down
b
: the plank or apparatus so used
seesaw
verb
seesawed; seesawing; seesaws
Definition of seesaw (Entry 2 of 2)
1a
: to move backward and forward or up and down
b
: to play at seesaw
2
: alternate
seesaw between two activities
: to cause to move in seesaw fashion
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Merriam-Webster unabridged
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Time Traveler for seesaw
The first known use of seesaw was in 1704
See more words from the same year