From WordNet (r) 3.0 (2006) [wn]:
Oliver
n 1: United States jazz musician who influenced the style of
Louis Armstrong (1885-1938) [syn: Oliver, {Joseph
Oliver}, King Oliver]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Oliver \Ol"i*ver\, n.
1. [OF. oliviere.] An olive grove. [Obs.] --Chaucer.
[1913 Webster]
2. [F. olivier.] An olive tree. [Obs.] --Chaucer.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Oliver \Ol"i*ver\, n.
A small tilt hammer, worked by the foot.
[1913 Webster]