gum vein[′gəm ‚vān]
Local accumulation of resin occurring as a wide streak in certain hardwoods.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
gum vein, gum pocket, gum streak
In hardwoods, a local accumulation or streak of resin.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.