Sentence:  THE DUTIES OF THE <WSD>"SAIS</WSD>" OR GROOM. ... Now, if the good house-mother's proudest boast is that not even "the cattle within her gate" fail to feel her kindly care, she will often find it necessary to take an active part in teaching the <WSD>"sais</WSD>" his duty, and seeing that the horses receive proper attention. ... The old plan of a <WSD>"sais</WSD>" and a grass-cutter to each horse is a thing of the past, and the number of "saises" or grooms should have reference merely to the amount of harnessing and out-work necessary during the day. 
Meaning of the word marked with <WSD> tags:  A groom, or servant with responsibility for the horses.