professional engineer
A designation reserved, usually by law, for a person or organization professionally qualified and duly licensed to perform such engineering services as structural, mechanical, electrical, sanitary, civil, etc.
p.e.
Abbr. for “plain edged.”
PE
1. In the lumber industry, abbr. for “plain end.”
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.