Lum \Lum\ (l[u^]m), n. [W. llumon chimney, llum that shoots up or ends in a point.]

1. A chimney. [Prov. Eng. & Scot.]

--Burns. [1913 Webster]

2. A ventilating chimney over the shaft of a mine. [1913 Webster]

3. A woody valley; also, a deep pool. [Prov. Eng.]

[1913 Webster] Lumachel

Source: The Collaborative International Dictionary of English v.0.48
 

Lum \Lum\, n. [W. llumon chimney, llum that shoots up or ends in a point.]

1. A chimney. [Prov. Eng. & Scot.]

--Burns.

2. A ventilating chimney over the shaft of a mine.

3. A woody valley; also, a deep pool. [Prov. Eng.]

Source: Webster's Revised Unabridged Dictionary (1913)