i checked a number of online dictionaries. they all say basically the same thing.
1. A flat plate, slab, or disk that is ornamented or engraved for mounting, as on a wall for decoration or on a monument for information.
2. A small pin or brooch worn as an ornament or a badge of membership.
a. Pathology A small disk-shaped formation or growth; a patch.
b. A deposit of fatty material on the inner lining of an arterial wall, characteristic of atherosclerosis.
c. A scaly patch formed on the skin by psoriasis.
d. A film of mucus and bacteria on a tooth surface.
e. A clear, often round patch of lysed cells in an otherwise opaque layer of a bacteria or cell culture.
I’ve never seen that “LOL” thing before. What does that stand for—”Lick our liver?” No thanks.
Want DP delivered to your inbox daily? Subscribe here: