gum vein

gum vein

[′gəm ‚vān]
(botany)
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.
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References in periodicals archive ?
Dark-red "gum veins" appear throughout the annual growth rings, a living record of natural events, such as bush fires, droughts and floods.
Gum veins in some trees can affect the look of the grain.