Definitions
1.verbTo make brighter or clearer; to illuminate."to lighten an apartment with lamps or gas; to lighten the streets"
2.verbTo become brighter or clearer; to brighten.
3.verbTo burst forth or dart, as lightning; to shine with, or like, lightning; to flash.
4.verbTo emit or disclose in, or as if in, lightning; to flash out, like lightning.
5.verbTo illuminate with knowledge; to enlighten.
6.verbTo alleviate; to reduce the burden of."Sorrow can be lightened by being openly brought out."
7.verbTo make light or lighter in weight.
8.verbTo make less serious or more cheerful.
9.verbTo become light or lighter in weight.
10.verbTo become less serious or more cheerful.
11.verbTo descend; to light.
12.nounThe sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour
13.nounThe removal of cargo (especially crude oil) from a vessel in order to reduce its draft