Culm

Multiple Entries:
  Culm    culm  

Concise Oxford English Dictionary © 2008 Oxford University Press:
Culm /kʌlm/

▶noun

• 1 Geology a series of Carboniferous strata in SW England, mainly shale and limestone with some thin coal seams.

• 2 (culm) archaic coal dust or slack.

– origin ME: prob. rel. to coal.

Concise Oxford English Dictionary © 2008 Oxford University Press:
culm /kʌlm/

▶noun the hollow stem of a grass or cereal plant, especially that bearing the flower.

– origin C17: from L. culmus ‘stalk’.