n. a propeller designed for propelling airplanes.
Syn. -- airscrew, propeller, prop. [ WordNet 1.5 +PJC ]

n. a genus of epiphytic or terrestrial ferns of America and Africa and Polynesia.
Syn. -- genus Amauropelta. [ WordNet 1.5 ]

‖n. pl. [ NL., fr. Gr. &unr_; a rower. ] (Zool.) See Larvalla. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; the sole of the foot. ] (Anat.) Having each of the two flexor tendons of the toes bifid, the branches of one going to the first and second toes; those of the other, to the third and fourth toes. See Illust. in Append. [ 1913 Webster ]

a. 1. Destitute of hope; having no expectation of good; despairing. [ 1913 Webster ]

I am a woman, friendless, hopeless. Shak. [ 1913 Webster ]

2. Giving no ground of hope; promising nothing desirable; desperate; as, a hopeless cause. [ 1913 Webster ]

The hopelessword of “never to return”
Breathe I against thee, upon pain of life. Shak. [ 1913 Webster ]

3. Unhoped for; despaired of. [ Obs. ] Marston.

-- Hope"less*ly, adv. -- Hope"less*ness, n. [ 1913 Webster ]

n. The type and sole genus of the family Leiopelmatidae. [ Also spelled Liopelma. ]
Syn. -- genus Leiopelma, Liopelma, genus Liopelma. [ WordNet 1.5 ]

n. A natural family of primitive New Zealand frogs. [ Also spelled Liopelmidae. ]
Syn. -- family Leiopelmatidae, Liopelmidae, family Liopelmidae. [ WordNet 1.5 ]

a. [ Gr. no`mos law, custom + &unr_; sole of the foot. ] (Zool.) Having a separate and simple tendon to flex the first toe, or hallux, as do passerine birds. [ 1913 Webster ]

n. (Zool.) A bright-colored European actinian (Anemonia sulcata, syn. Anthea sulcata); -- so called because it does not retract its tentacles. [ 1913 Webster ]

n. 1. A petty or deputy pope. [ 1913 Webster ]

2. An adherent of the pope. [ R. ] Marlowe. [ 1913 Webster ]

n. A word variously explained as “a little puppet, ” “a little doll, ” or “a young butterfly.” Cf. Popet. [ Obs. ] [ 1913 Webster ]

So gay a popelote, so sweet a wench. Chaucer. [ 1913 Webster ]

v. t. [ imp. & p. p. Propelled p. pr. & vb. n. Propelling. ] [ L. propellere, propulsum; pro forward + pellere to drive. See Pulse a beating. ] To drive forward; to urge or press onward by force; to move, or cause to move; as, the wind or steam propels ships; balls are propelled by gunpowder. [ 1913 Webster ]

n. [ 1913 Webster ]

1. One who, or that which, propels. [ 1913 Webster ]

2. A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel. [ 1913 Webster ]

3. A steamboat thus propelled; a screw steamer. [ 1913 Webster ]

Propeller wheel, the screw, usually having two or more blades, used in propelling a vessel. [ 1913 Webster ]

a. [ Schizo- + Gr. pe`lma the sole of the foot. ] (Zool.) Having the two flexor tendons of the toes entirely separate, and the flexor hallucis going to the first toe only. [ 1913 Webster ]

a. (Zool.) Scopeloid. [ 1913 Webster ]

a. [ NL. Scopelus, typical genus (fr. Gr. &unr_; a headland) + -oid. ] (Zool.) Like or pertaining to fishes of the genus Scopelus, or family Scopelodae, which includes many small oceanic fishes, most of which are phosphorescent. -- n. (Zool.) Any fish of the family Scopelidae. [ 1913 Webster ]

{ or }. (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence,
Tractor monoplane,
Tractor biplane, etc. This is the most common arrangement for propellers on modern airplanes. [ Webster 1913 Suppl. ]