Sentence:  ... onely remember, that so soone as thy eyelids be unglewd, thy first exercise must be (either sitting upright on thy pillow, or rarely loling at thy bodies whole length) to yawne, to stretch, and to gape wider then any oyster-wife : for thereby thou doest not onely send out the lively spirits (like vaunt-curers) to fortifie and make good the uttermost borders of the body ; but also (as a cunning painter) thy goodly <WSD>lineaments</WSD> are drawne out in their fairest proportion. 
Meaning of the word marked with <WSD> tags:  (facial)A distinctive feature that characterizes something, especially the parts of the face of an individual.