ex·u·da·to·ri·um \igˌzüdəˈtōrēəm, eg- sometimes ikˌsü- or ekˌsü- or -gzˌyü- or -ksˌyü-\noun (pluralexudato·ria \-ēə\) Etymology: New Latin, from Latin exsudatus, exudatus+ New Latin -orium : one of the papillae present on certain ant and termite larvae that secrete substances attractive to adults of the same species