kanˈseˌlī, -(ˌ)lē, in sense 1 also känˈchelē noun plural
Etymology: Latin, lattice — more at cancel
1. : screens or rails typically of latticework or stone grating used to enclose or separate a part of a church ; specifically : the partitions between the nave of a church and the altar or choir — compare chancel
2.
[New Latin, from Latin]
a. : the intersecting osseous plates and bars of which cancellous bone is composed
b. : the interstices between such plates and bars