Weighboard

Weigh'board` noun (Mining) Clay intersecting a vein. Weale.
Found on http://www.encyclo.co.uk/webster/W/22

weighboard

<chemical> Clay intersecting a vein. ... Source: Websters Dictionary ... (01 Mar 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?weighboard

Weighboard

• (n.) Clay intersecting a vein.
Found on http://thinkexist.com/dictionary/meaning/weighboard/
No exact match found