a. [ L. Apenninus, fr. Celtic pen, or ben, peak, mountain. ] Of, pertaining to, or designating, the Apennines, a chain of mountains extending through Italy. [ 1913 Webster ]
‖n. [ L. ] An ax with an edge or blade on each side of the handle. [ 1913 Webster ]
a. (Zool.) Of or pertaining to the Longipennes; longipennate. [ 1913 Webster ]
a. [ L. penna feather + -form: cf. F. penniforme. ] Having the form of a feather or plume. [ 1913 Webster ]
a. [ L. penniger; penna feather + gerere to bear. ] (Zool.) Bearing feathers or quills. [ 1913 Webster ]
a. [ From Penny. ] Destitute of money; impecunious; poor. --
a. [ L. penna feather + E. nerve. ] Pinnately veined or nerved. [ 1913 Webster ]
a. [ L. pennipotens; penna wing + potens strong. ] Strong of wing; strong on the wing. [ Poetic ] Davies (Holy Roode). [ 1913 Webster ]
‖n. pl. [ NL., fr. L. planus plane + penna wing. ] (Zool.) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, etc. Called also
a. (Anat.) Half or partially penniform;
a. Under, or at the foot of, the Apennine mountains; -- applied, in geology, to a series of Tertiary strata of the older Pliocene period. [ 1913 Webster ]