FLIPPERS
Noun
flippers
plural of flipper
Source: Wiktionary
FLIPPER
Flip"per, n. Etym: [Cf. Flip, Flippant.]
1. (Zoöl.)
Definition: A broad flat limb used for swimming, as those of seals, sea
turtles, whales, etc.
2. (Naut.)
Definition: The hand. [Slang]
FLIP
Flip, n. Etym: [Cf. Prov. E. flip nimble, flippant, also, a slight
blow. Cf. Flippant.]
Definition: A mixture of beer, spirit, etc., stirred and heated by a hot
iron. Flip dog, an iron used, when heated, to warm flip.
Flip, v. t. [imp. & p. p. Flipped; p. pr. & vb. n. Flipping.]
Definition: To toss or fillip; as, to flip up a cent.
As when your little ones Do 'twixt their fingers flip their cherry
stones. W. Browne.
Source: Webster’s Unabridged Dictionary 1913 Edition