Sentence:  however, we must not speak of a desk but only of "smooth," "hard" sense-data as our hands are in contact with the surface. And since we do not know if there are any material objects, we must consider our hand as a "<WSD>handish</WSD>" sense-datum to accommodate our subjectivist friends. 
Meaning of the word marked with <WSD> tags:  Of or relating to the hand; handly.