Lag(295) Matt19:12 :ܐܝܬ ܓܪ ܣܪ̈ܝܣܝܢ ܗܠܝܢ ܕܡܢ ܟܪܣܗ݀ ܕܐܝܡ̈ܗܘܢ ܐܬ݁ܝܠܕܘ ܟܕܢ ܣܪܝܣܝܢ ܘܐܝܬ݁ ܣܪ̈ܝܣܝܢ ܕܐܣܬܪ̈ܣܘ ܡܢ ܒܢ̈ܝܢܫ‏ : for there are some eunuchs, which were born from their mother’s womb as such eunuchs: and there are some eunuchs that were from (whole) men turned into eunuchs
See the entire entry for srīs, srīsā n.m. eunuch

Lag(295) Matt19:12 :ܘܐܝܬ݁ ܣܪ̈ܝܣܝܢ ܗܠܝܢ ܕܣܪ̈ܣܘ ܓܪ̈ܡܗܘܢ‏ : there are those eunuchs who castrated themselves
See the entire entry for srs vb. D to castrate; to twist around