Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† gĕōmē̆tres, ae (also gĕōmē̆tra, Aur. Vict. Ep. 14, 2; and gĕŏmetra, ae, Sid. Ep. 4, 11: ge[dibreve]omētrēs, trisyl., Juv. 3, 76), m., = γεωμέτρης, a geometer, geometrician: quomodo geometres cernere ea potest quae aut nulla sunt aut internosci a falsis non possunt? Cic. Ac. 2, 7, 22: geometres, Quint. 1, 10, 6; Juv. 3, 76.
Dat. geometrae, Quint. 1, 12, 6.
Acc. geometren, id. 1, 10, 4.
Plur.: geometrae, Cic. Off. 3, 7, 33; id. Fat. 8, 15; Quint. 12, 11, 20; Fragm. Jur. Rom. Vatic. 150 Huschke.
Dat. geometris, id. 1, 10, 18.
Acc. geometras, id. 5, 10, 7.