Scaleboard \Scale"board`\ (?; commonly ?), n. [3d scale + board.]

1. (Print.) A thin slip of wood used to justify a page. [Obs.]

--Crabb. [1913 Webster]

2. A thin veneer of leaf of wood used for covering the surface of articles of furniture, and the like. [1913 Webster]

Scaleboard plane, a plane for cutting from a board a wide shaving forming a scaleboard. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Scaleboard \Scale"board`\ (?; commonly ?), n. [3d scale + board.]

1. (Print.) A thin slip of wood used to justify a page. [Obs.]

--Crabb.

2. A thin veneer of leaf of wood used for covering the surface of articles of furniture, and the like.

Scaleboard plane, a plane for cutting from a board a wide shaving forming a scaleboard.

Source: Webster's Revised Unabridged Dictionary (1913)