chalder

Probably a form of chaldron.

chalder (plural chalders)

1. An old Scottish dry measure, equal to 16 bolls.
   • 1786, Daniel De Foe [i.e., Daniel Defoe], “Appendix. Part I. Containing an Account of Transactions in both Parts of the United Kingdoms, subsequent to the Union; […]”, in A History of the Union between England and Scotland, with a Collection of Original Papers Relating thereto. […], London: Printed for John Stockdale, […], →OCLC, page 600:

     [T]he valuation of lands, tenor of leaſes, the rents, the entails, rent charges, life rents, and payments for or out of land revenue, are all reckoned in Scotland by the chalder, boll, firlot, and lippy, and cannot be altered; [...]

• chaldrick, chaldro

From Norn chaldro, from Old Norse tjaldr. Cognate to Icelandic tjaldur m and Faroese tjaldur n.

• IPA^(key): /ˈtʃaldər/

chalder (plural chalders)

1. (Northern Isles) oystercatcher (Haematopus ostralegus)

• “chalder”, in The Dictionary of the Scots Language, Edinburgh: Scottish Language Dictionaries, 2004–present, →OCLC.
• Flaws, Margaret, Lamb, Gregor (1996) The Orkney Dictionary, Kirkwall, Orkney: Orkney Language and Culture Group, published 2001, →ISBN