Hypertext Webster Gateway: "Seesawing"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Seesaw \See"saw`\, v. i. [imp. & p. p. {Seesawad}; p. pr. & vb.
n. {Seesawing}.]
To move with a reciprocating motion; to move backward and
forward, or upward and downward.
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