(UK dialectal, chiefly Scotland, obsolete or nonstandard) Thirty.
1690, Letters and state papers chiefly addressed to George, Earl of Mellville:He hath threety-six votes of the greatest barrons of the shyre to ninteen very mean ones, wherof syv have no right to vote; there is not so much as doubt of that matter heir.
1696-1707, Papers relating to the ships and voyages of the Company of Scotland trading to Africa and the Indies:Kecept Paid to Andrew Marshall Smith in Gorballs for Threety howes and tuo Axes at 12"1 p. pss. p.
1702, Records of Old Aberdeen:To James Jaffray for threety young plantin bought at Monimusk at 3/4 per piece.
1705-1742, The Justiciary Records of Argyll and the Isles:... who made shose of Neill Campbell, servitor to Collin Campbell younger of Glendarule, to be his clark compeared personally Archibald McKellar now in Glenlean of the age of threety years ...
