TWILLY
Twil"ly, n. Etym: [C. Willy.]

Defn: A machine for cleansing or loosening wool by the action of a revolving cylinder covered with long iron spikes or teeth; a willy or willying machine; — called also twilly devil, and devil. See Devil, n., 6, and Willy. Tomlinson.

TWILT
Twilt, n. Etym: [See Quilt.]

Defn: A quilt. [Prov. Eng.]

TWIN Twin, a. Etym: [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi- two. See Twice, Two.]

1. Being one of two born at a birth; as, a twin brother or sister.

2. Being one of a pair much resembling one another; standing the relation of a twin to something else; — often followed by to or with. Shak.

3. (Bot.)

Defn: Double; consisting of two similar and corresponding parts.

4. (Crystallog.)