arbor 1
/ahr"beuhr/ , n.
1. a leafy, shady recess formed by tree branches, shrubs, etc.
2. a latticework bower intertwined with climbing vines and flowers.
3. Obs. a grass plot; lawn; garden; orchard.
Also, esp. Brit., arbour .
[ 1350-1400; ME ( h ) erber h ) erbier HERBARIUM; resp. with -or under the influence of ARBOR 3 ]
arbor 2
/ahr"beuhr/ , n.
1. Mach.
a. a bar, shaft, or axis that holds, turns, or supports a rotating cutting tool or grinding wheel, often having a tapered shank fitting tightly into the spindle of a machine tool. Cf. mandrel .
b. a beam, shaft, axle, or spindle.
2. Metall. a reinforcing member of a core or mold.
[ 1650-60; resp., by assoc. with ARBOR 3 , of earlier arber, arbre arbor wooden beam or part in an olive press, tree ]
arbor 3
— arboresque , adj.
/ahr"beuhr/ , n. , pl. arbores /ahr"beuh reez'/ . Bot.
a tree.
[ 1660-70; ]