Lewis Short
(verb) : ag-glŏmĕro (adg-), āvi, ātum, 1, , lit.
* To wind on (as on a ball); only poet., to add or join to, to annex; and se, to join one's self to: et (se) lateri adglomerant nostro,Verg. A. 2, 341: cuneis,id. ib. 12, 458: Sigeaque pestis adglomerare fretum, raises it up (as a ball), i. e. heaps it up, Val. Fl. 2, 499.
Charlton T. Lewis, Charles Short, A Latin Dictionary