Definition of "Oliver"

Froyſard, a Countreyman of ours, records, / England all Oliuers and Rowlands breed, / During the time Edward the third did raigne: […]

1591 (date written), William Shakespeare, “The First Part of Henry the Sixt”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act I, scene ii], page 98, column 1

"My name is Oliver, sir," replied the little invalid with a look of great astonishment. "Oliver," said Mr. Brownlow; "Oliver what? Oliver White,—eh?" "No, sir, Twist,—Oliver Twist." "Queer name," said the old gentleman. What made you tell the magistrate your name was White?"

1837 August, Boz [pseudonym; Charles Dickens], “In Which Oliver Is Taken Better Care of than He Ever Was Before. With Some Particulars Concerning a Certain Picture.”, in Oliver Twist; or, The Parish Boy’s Progress. […], volume I, London: Richard Bentley, […], published 1838, page 187

And Oliver suits me, don't you find? It rather goes with my dark, dark hair and kissable ivory teeth, my slim waist, my panache and my linen suit with the ineradicable stain of Pinot Noir.

1991, Julian Barnes, Talking It Over, Jonathan Cape, page 13

The last device, the Oliver, was an innovative alternative to the various forms of small tilt hammers recorded and illustrated by Agricola.

2017, C. How, Building Histories: The Proceedings of the Fourth Annual Construction History Society Conference‎, page 81