Origin: OE. Moolbery, murberie, AS. Murberie, where the first part is fr. L. Morum mulberry; cf. Gr,. Cf. Murrey, Sycamore.
(Science: biology) See morula. Paper mulberry, a tree (Broussonetia papyrifera), related to the true mulberry, used in polynesia for making tapa cloth by macerating and pounding the inner bark, and in china and japan for the manufacture of paper. It is seen as a shade tree in America.