Ranidae.

(Farriery.) The hard projecting substance in the hollow of a horse's foot. (Civil Engineering .) A grooved piece of iron placed at the junction of the rails of a railroad where one track cro es another. -An oblong button for coats or overcoats, swelling in the middle, and tapering to both ends, covered with netted thread, and fastening into a loop instead of a button-hole. Frog bit, n. ( Bot .) See HYDRO CHAR IS. Frog'-fish, n. ( Zool .) See BATRACHUS. Frogged, a . Provided with frogs; as, a frogged surtout. Frog'gy, a. Abounding in frogs. Frog-hopper, n. ( Zool .) See CERCOPIDE. Frog Lev'el, in S. Carolina , a post-village of New berry co., 40 m. N. W. of Columbia. Now PROSPERITY. Frog'more, in Louisiana , a P. O. of Concord i a parish. Frog town, in Georgia , a district of Lumpkin co. Froh'na, in Mi ouri , a post-village of Perry co. Froi art (frwoi art), JEAN, a French chronicler and poet, B. 1337. He was the contemporary of Chaucer Fron'dent, a. [Lat. frondens, from frondere, to be as and Petrarch, and the author of the celebrated Chron icles which bear his name, and which present, perhaps, the most faithful and animated picture extant of the wars and political events of the Middle Ages. His Chronicles were first translated into English by Lord Berners (2 vols. fol., London, 1523-5), and reprinted in 1812 in 2 vols. 4to. A later edition is that of Bohn, London, 2 vols. royal 8vo., 1845. Frol'ic, a . [Ger. fröhlich , from froh , glad, and lich , corrupted from gleich , like.] Full of levity; dancing, playing, or frisking about; full of wild pranks. "We fairies now are frolic."-Shaks. -n. A wild prank; a flight of levity or gayety and mirth; a gambol; a freak; a scene of mirth and gayety, as in dancing or play. -v. n. To play wild pranks; to play tricks of levity, mirth, and gayety. leaves or branches.] Leafy; covered with leaves. (R.) Frondesce, ( fron -des',) v. n. [Lat. frondescere , incept. from frandere, to put forth leaves.] To begin to unfold leaves. Frondescence, n . [Lat. frondescens , pp. of frondescere. See supra .] The precise time of the year and month in which each species of plants unfolds its leaves. - The act of unfolding the leaf. Frondiferous, a. [Lat. frons, a leaf or branch, and ferre, to produce.] Bearing or producing fronds.