Sentence:  The ſixte ſuende after this / By name Canis minor is. / The which ſterre is <WSD>Mercuriall</WSD> / By wey of kinde, and forth withall / As it is writen in the carte / Complexion he taketh of Marte. 
Meaning of the word marked with <WSD> tags:  Pertaining to the planet Mercury. (from 14th c.)