Windows & doors · definition
A heavy-duty lock body recessed into a pocket cut in the door edge, more durable and secure than a tubular bored lock. Common on premium and older doors.
Source: Schlage Commercial — Schlage 101: Mechanical Locks
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.