GNU Collaborative International Dictionary of English

Found one definition

  1.       
    Teeter (?), v. i. & t. [imp. & p. p. Teetered (?); p. pr. & vb. n. Teetering.] [Prov. E. titter to tremble, to seesaw; cf. Icel. titra to tremble, OHG. zittarōn, G. zittern.] To move up and down on the ends of a balanced plank, or the like, as children do for sport; to seesaw; to titter; to titter-totter. [U. S.]

    [1913 Webster]

    [The bobolink] alit upon the flower, and teetered up and down. H. W. Beecher.

    [1913 Webster]