See"saw` (?), n. [Probably a reduplication of saw, to express the alternate motion to and fro, as in the act of sawing.] 1. A play among children in which they are seated upon the opposite ends of a plank which is balanced in the middle, and move alternately up and down.

2. A plank or board adjusted for this play.

3. A vibratory or reciprocating motion.

He has been arguing in a circle; there is thus a seesaw between the hypothesis and fact.

4. (Whist.) Same as Crossruff.

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.

See"saw`, v. t. To cause to move backward and forward in seesaw fashion.

He seesaws himself to and fro.

See"saw`, a. Moving up and down, or to and fro; having a reciprocating motion.

See"saw` (?), n. [Probably a reduplication of saw, to express the alternate motion to and fro, as in the act of sawing.] 1. A play among children in which they are seated upon the opposite ends of a plank which is balanced in the middle, and move alternately up and down.

2. A plank or board adjusted for this play.

3. A vibratory or reciprocating motion.

He has been arguing in a circle; there is thus a seesaw between the hypothesis and fact.

4. (Whist.) Same as Crossruff.

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.

See"saw`, v. t. To cause to move backward and forward in seesaw fashion.

He seesaws himself to and fro.

See"saw`, a. Moving up and down, or to and fro; having a reciprocating motion.

English
• A structure composed of a plank, balanced in the middle, used as a game in which one person goes up as the other goes down; a teeter-totter
  
• an up and down movement
  
• To use a seesaw.
  
• To fluctuate