protractor / graduated arc
gradeboog
ucezusiyingi lokulinganisa
isilinganiso-dolo / isilinganiso-engile / iprotrektha / isixhobo sokubala esiqingqeke okwecala lenyanga
i-akhi lezengetiwe / i-phrothrektha
igobelandulungu elimeregiweko / iphrothektha
selekanyadikhutlo
setekanyakhutlo / sebalakhutlo
protraktha
phurothirekitha / tshielekhuḓa
phurothirakitara / xipima-tinhla