a. Having a form intermediate between that of an egg and a sphere; roundly ovate. [ 1913 Webster ]
a. Same as Ovate-rotundate. [ 1913 Webster ]
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;
a. Rounded; especially, rounded at the end or ends, or at the corners. [ 1913 Webster ]