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arborise
arborist
arborize
arborvitae
arbour
arbovirus
arbutus
ARC
arc
arc cosecant
arc cosine
arc cotangent
Arc de Triomphe
arc furnace
arc light
arc secant
arc second
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arbor (2)

ar·bor [ rbər ] (plural ar·bors)


noun 
Definition:
 
1. axle on machine or power tool: a shaft, axle, or spindle on a machine or a power tool

2. supporting piece: a machine part that holds an object being worked on

3. reinforcing part of mold: a part that reinforces the core of a mold used to cast metal

[Mid-17th century. Via French< Latin, "tree, mast, lever, shaft"]
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