/flawr"euh, flohr"euh/ , n. , pl. floras, florae /flawr"ee, flohr"ee/ for 2.
1. the plants of a particular region or period, listed by species and considered as a whole.
2. a work systematically describing such plants.
3. plants, as distinguished from fauna.
4. the aggregate of bacteria, fungi, and other microorganisms normally occurring on or in the bodies of humans and other animals: intestinal flora.
[ 1655-65; Flora the Roman goddess of flowers (used from the 17th cent. in the titles of botanical works), deriv. of L flor - (s. of flos ) FLOWER ]