fat mortar[¦fat ′mȯr·dər]
Mortar that adheres to the trowel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
fat mortar, rich mortar
Mortar containing a high percentage of cementitious compounds; sticky, adheres to a trowel.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.