ROUNDHEAD
Round"head`, n. (Eng. Hist.)

Defn: A nickname for a Puritan. See Roundheads, the, in the
Dictionary of Noted Names in Fiction. Toone.

ROUNDHEADED
Round"head`ed, a.

Defn: Having a round head or top.

ROUNDHOUSE
Round"house`, n.

1. A constable's prison; a lockup, watch-house, or station house. [Obs.]

2. (Naut.) (a) A cabin or apartament on the after part of the quarter-deck, having the poop for its roof; — sometimes called the coach. (b) A privy near the bow of the vessel.

3. A house for locomotive engines, built circularly around a turntable.

ROUNDING
Round"ing, a.

Defn: Round or nearly round; becoming round; roundish.