seesaw

seesaw is defined in Webster's Unabridged Dictionary (1913) with 6 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A plank or board adjusted for this play.
  2. 2.A vibratory or reciprocating motion. He has been arguing in a circle; there is thus a seesaw between the hypothesis and fact. Sir W. Hamilton.
  3. 3.(Whist.) Same as Crossruff.
  4. 4.To move with a reciprocating motion; to move backward and forward, or upward and downward.
  5. 5.To cause to move backward and forward in seesaw fashion. He seesaws himself to and fro. Ld. Lytton.
  6. 6.Moving up and down, or to and fro; having a reciprocating motion.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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Definition-first questions whose answer is seesaw.

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