dessertspoonful

noun

des·​sert·​spoon·​ful di-ˈzərt-ˌspün-ˌfu̇l 

1

: as much as a dessertspoon will hold

2

chiefly British : a unit of measure equal to about 2¹/₂ fluid drams

Word History

First Known Use

1839, in the meaning defined at sense 1