OS LkSin20:17 :ܕܟܐܦܐ ܕܐܣܠܝܘ ܒܢ̈ܝܐ ܗܝ ܗܘܬ ܠܪܝܫ ܩܪܢܐ‏ : the stone the builders rejected became the cornerstone
See the entire entry for rēš qarnā n.m. cornerstone