DeMundo 136:18 :ܟܕ ܢܬܚܫܒ ܕܡܬܝܚ ܣܘܪܛܐ ܡܕܡ ܡܢ ܗܢܐ ܠܗܢܐ܃ ܗ݀ܘ ܕܐܢܫܝܢ ܐܘܟܣܢܐ ܡܫܡܗܝܢ ܠܗ‏ : when it is imagined that some line is stretched from one to the other, that which people term "axle"
See the entire entry for surṭā n.m. line

DeMundo 136:18 :ܬܪ̈ܝܢ ܢܘܩ̈ܕܝ݂ܢ ܦܘ̈ܠܘ‏ :
See the entire entry for pōlos n.m. geom.: pole