PIN'NACLE, noun [Latin pinna.] 1. A turret, or part of a building elevated above the main building. Some metropolis With glistering spires and pinnacles adorn'd. 2. A high spiring point; summit. PIN'NACLE, verb transitive To build or furnish with pinnacles.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI