Trea"dle (?), n. [OE. tredyl a step,
AS. tredel. See Tread.] 1. The part of a
foot lathe, or other machine, which is pressed or moved by the
foot.
2. (Biol.) The chalaza of a bird's egg; the
tread.
Trea"dle (?), n. [OE. tredyl a step,
AS. tredel. See Tread.] 1. The part of a
foot lathe, or other machine, which is pressed or moved by the
foot.
2. (Biol.) The chalaza of a bird's egg; the
tread.