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agate (n.)

Old form(s): Agot

dwarf, midget [as of a tiny figure carved in an agate-seal]

2H4 I.ii.16	[Falstaff to Page] I was never manned with an agate till now [F Agot]
MA III.i.65	[Hero to Ursula, of men] If low, an agate very vilely cut