ChristianAnswers.Net WebBible Encyclopedia
Hebrew: ner, Job 18:6; 29:3; Ps. 18:28; Prov. 24:20, in all which places the Revised Version and margin of Authorized Version have “lamp,” by which the word is elsewhere frequently rendered
The Hebrew word denotes properly any kind of candle or lamp or torch.
It is used as a figure of conscience (Prov. 20:27), of a Christian example (Matt. 5:14-15), and of prosperity (Job 21:17; Prov. 13:9).