διόπτρα
διόπτρα
δι-όπτρα, ἡ,
ὄψομαι, fut. of ὁράω
an instrument for measuring heights, a Jacobʼs staff, Polyb.
{ "content": "διόπτρα\n δι-όπτρα, ἡ,\n ὄψομαι, fut. of ὁράω\n an instrument for measuring heights, a Jacobʼs staff, Polyb.", "key": "dio/ptra" }