Lewis Short
(adjective) : intergĕrīvus, a, um, intergeries
* That is placed between; subst.: in-tergĕrīvus, i, m. (sc. paries), a partition, party-wall, Plin. 13, 12, 26, § 82; 35, 14, 49, § 173.—Of the walls of wax in a beehive, Plin. 11, 10, 10, § 23.
Charlton T. Lewis, Charles Short, A Latin Dictionary