eph·or (ěf'ôr', -ər) n.
pl.eph·ors or eph·o·ri (-ə-rī') One of a body of five elected magistrates exercising a supervisory power over the kings of Sparta.
[Latin ephorus, from Greek ephoros, from ephorān, to oversee : ep-, epi-, epi- + horān, to see; see wer-3 in Indo-European roots.] eph'or·ate' (-ə-rāt', -ə-rĭt) n.