WordWeight : Weighing the Words

Pronunciation : Ro*tun"da
Part of Speech : n.
Etymology : [Cf. It. rotonda, F. rotonde; both fr. L. rotundus round. See Rotund, a.] (Arch.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913