Entry 2 senses Webster, 1913 Eldership /ĕlʹdərshĭp/ · Eld·er·ship · IPA /ˈɛldɚʃɪp/ 01 n. The state of being older; seniority. 1. The state of being older; seniority. 2. Office of an elder; collectively, a body of elders.