mortarboard

(redirected from morterboard)
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mortarboard, fat board, spot board

A board, usually set on legs to form a table, used to mix lime putty and gauging plaster.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

mortarboard

closefitting cap with flat square piece and tassel; part of academic costume. [Am. and Br. Culture: Misc.]
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.