transcription, транскрипция: [ ī-ˈsäs-ˌlēz, -ˈsä-sə- ]
adjective
Etymology: Late Latin isosceles having two equal sides, from Greek isoskelēs, from is- + skelos leg; perhaps akin to Old English sceol wry
Date: 1551
1. of a triangle : having two equal sides — see triangle illustration
2. of a trapezoid : having the two nonparallel sides equal