Definition of cool tankard in English:

cool tankard

noun

  • 1A cooling drink, typically made of wine and water, and flavoured with lemon juice, spices, and borage. Now historical.

  • 2Originally English regional. The herb borage, Borago officinalis.

Origin

Late 17th century; earliest use found in Thomas Brown (bap. 1663, d. 1704), writer. From cool + tankard.

Pronunciation

cool tankard

/ˌkuːl ˈtaŋkəd/