Also found in: Dictionary, Thesaurus, Medical, Idioms, Wikipedia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. Softwood lumber suitable for steps; usually pine or fir.
2. A step-plank.
4. In surveying, chaining in a series of steps, over a sloping surface, where the chains are always horizontal.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.