culm1 (kuhlm) - n., the segmented stem of a grass or similar plant.
culm2 (kuhlm) - n., coal dust; inferior anthracite coal.
I've no idea now which sense prompted putting it in the queue -- possibly I jotted it down to look it up. The first word is from Latin culmus, stalk; the second dates back to Middle English (as colme) but is of unclear origin -- one speculation is that it's co(a)l plus a suffix -m of otherwise unknown meaning. Here's some sugar-cane culms:

Thanks, WikiMedia!
---L.
culm2 (kuhlm) - n., coal dust; inferior anthracite coal.
I've no idea now which sense prompted putting it in the queue -- possibly I jotted it down to look it up. The first word is from Latin culmus, stalk; the second dates back to Middle English (as colme) but is of unclear origin -- one speculation is that it's co(a)l plus a suffix -m of otherwise unknown meaning. Here's some sugar-cane culms:
Thanks, WikiMedia!
---L.