assize utrum
assize utrum (yoo-tr[schwa]m). [Latin] Hist. A writ to determine whether land claimed by a church was held by lay or spiritual tenure. • This writ is named after its emphatic word, which required the fact-finder to determine whether (utrum) the land belonged to the church. — Also termed (erroneously) assize of utrum; assize de utrum. […]