ter·mi·tar·i·um 
(tûr′mĭ-târē-əm)
(tûr′mĭ-târē-əm)n. pl. ter·mi·tar·i·a (-ē-ə)
A nest built by a colony of termites underground, aboveground (usually as a mound), or in a tree, or an artificial nest used to house termites in a laboratory. Also called termitary.