culm

/kสŒlm/

IPA: /K AH1 L M/

noun
  1. 1

    Waste coal, used as a poor quality fuel; slack.

  2. 2

    Anthracite, especially when found in small masses

noun
  1. 1

    The stem of a plant, especially of grass or sedge

Source: https://en.wiktionary.org/wiki/culm