culm
1. culm \'k*lm\ n [ME] 1: refuse coal screenings : SLACK 2: a Lower Carboniferous formation in which marine fossil-bearing beds alte rnate with those containing plant remains 2. culm n [L culmus stalk] : a monocotyledonous stem
Webster's English Dictionary1. culm \'k*lm\ n [ME] 1: refuse coal screenings : SLACK 2: a Lower Carboniferous formation in which marine fossil-bearing beds alte rnate with those containing plant remains 2. culm n [L culmus stalk] : a monocotyledonous stem