(1):

(n.) Flowering, or state of flowering; the blooming of flowers; blowth.

(2):

(n.) A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc.

(3):

(n.) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc.

(4):

(n.) The powder or crust thus formed.