Ro*tun"da (?), n. [Cf. It. rotonda, F. rotonde; both fr. L. rotundus round. See Rotund, a.] Arch.

A round building; especially, one that is round both on the outside and inside, like the Pantheon at Rome. Less properly, but very commonly, used for a large round room; as, the rotunda of the Capitol at Washington.

 

© Webster 1913.

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