LSt.26:10 :ܓܒܪܐ ܕܡܚܘܐ ܢܙܝܪܘܬܐ ܟܕ ܩܕܠܗ ܥܒܐ ܘܦܓܪܗ ܚܝܠܬܢ‏ : the man who proclaims his abstinence, his neck being thick and his body strong
See the entire entry for nəzīrū, nəzīrūṯā n.f. Nazirite vow