The Collaborative International Dictionary of English v.0.48:
Resection \Re*sec"tion\ (r?-s?k"sh?n), n. [L. resectio: cf. F. r['e]section.] 1. The act of cutting or paring off. --Cotgrave. [1913 Webster] 2. (Surg.) The removal of the articular extremity of a bone, or of the ends of the bones in a false articulation. [1913 Webster]WordNet (r) 3.0 (2006):
resection n 1: surgical removal of part of a structure or organ