Meaning of costeaning in English:

costeaning

Pronunciation /kɒˈstiːnɪŋ/

See synonyms for costeaning

noun

South West English Mining
  • The process of sinking a costean.

Origin

Late 18th century; earliest use found in William Pryce (d. 1790), surgeon, mineralogist, and antiquary. From costean + -ing.