In dictionaries:
John Oldcastle
Sir (died 14 December 1417) an English Lollard leader.
sir john oldcastle
an Elizabethan play about John Oldcastle, a controversial 14th-/15th-century rebel and Lollard who was seen by some of Shakespeare's contemporaries as a proto-Protestant martyr.
Oldcastle Materials
Oldcastle Materials Inc. is a supplier of asphalt, concrete, and other building materials, and also offers construction and paving services.
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