† loon-slattn.
Etymology: Perhaps < loon n.1 + slatt (slang) half-crown.
slang.
Obsolete.
rare. Apparently only attested in dictionaries or glossaries.
1699 B. E. Loon-slatt, a Thirteen Pence half Penny.
This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2021).