pinnacled

noun

1. a small turret or spire on a buttress or a supporting pier
2. a pointed formation, as at the top of a mountain; peak
3. the highest point; culmination; acme

Origin: ME pinacle < MFr < LL(Ec) pinnaculum, dim. L pinna, pinnacle, feather: see pen

transitive verb pinnacled, pinnacling

1. to set on a pinnacle
2. to furnish or adorn with pinnacles
3. to form the pinnacle of