Correct spelling for the English word "endometry" is [ɛndˈə͡ʊmətɹɪ], [ɛndˈəʊmətɹɪ], [ɛ_n_d_ˈəʊ_m_ə_t_ɹ_ɪ] (IPA phonetic alphabet).
Measurement of the capacity of a cavity, specifically of the cranial capacity.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.