sb. Forms: α. 4 (in Comb.), 6 fely, (6 felee, felly), 5–8 fillie, (6 file, fille, fyllye, 8 filley), 6– filly. β. 7 philly. [? a. ON. fylja wk. fem.:—*fulfén-, f. ful-, fol-: see FOAL.]

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  1.  A young mare, a female foal.

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a. 1400[?].  Chester Pl. (Shaks. Soc.), I. 51.

        Take heare cattes, dogges too,
Atter and foxe, fillie, mare alsoe.

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1525.  Test. Ebor. (Surtees), V. 206. To Thomas Milner, hir sone, a file with a whit foite.

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a. 1641.  Suckling, Answ. to Let., Wks. (1696), 99/2. An unback’d Filly may by chance give thee a fall.

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1709.  Lond. Gaz., No. 4591/4. Stoln or stray’d … a black Fillie, two years old.

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1848.  Kingsley, Saint’s Trag., III. iii. 93. What’s good for the filly, is good for the mare, say I.

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  b.  To slip her filly: transf. of a woman, to miscarry.

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1665.  Pepys, Diary, 31 March. My Lady Castlemaine is sick again—people think, slipping her filly.

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  2.  transf. Applied to a young lively girl.

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1616.  Beaum. & Fl., Scornful Lady, III. i. A skittish filly will be your fortune, Welford.

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1668.  Sedley, Mulb. Gard., I. i.

        I believe no body will be very fond of a
Hide-Park Filly for a Wife.

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1711.  Addison, Spect., No. 211, 1 Nov., ¶ 9. I am joined in Wedlock for my Sins to one of those Fillies who are described in the old Poet with that hard Name you gave us the other Day.

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1849.  Miss Mulock, Ogilvies, l. (1875), 390. Katharine’s a young filly that will neither be led nor driven.

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1881.  Besant & Rice, Chapl. Fleet, I. 41. You are but a filly yet—ay—a six-months’ puppy, so to say.

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  3.  attrib. and Comb., as filly-foal;filly-stag, a filly foal.

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1523.  Fitzherbert, The Boke of Husbandry, § 68. It is a horse-foole, bycause a horse gate it, though it be a *felly-fole.

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1884.  W. Sussex Gaz., 25 Sept., Advt. Brown draught brood mare, with filly foal.

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1378.  Will of J. Delmarshe, in Test. Karl. (1893), 125. Item, Johanni, filio Thomæ Sympson, unum *felystag.

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  Hence † Filly v., to give birth to a filly. Fillying, vbl. sb.

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1598.  Florio, Partorire … to calue … to fillie. Parto … a caluing,… a fill[y]ing, etc.

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