Sentence:  When I have fears that I may cease to be / Before my pen has glean'd my teeming brain, / Before high piled books, in <WSD>charact`ry</WSD>, / Hold like rich garners the full ripen'd grain; 
Meaning of the word marked with <WSD> tags:  The art or means of characterizing; a system of signs or characters; symbolism; distinctive mark.