peat 1
/peet/ , n.
1. a highly organic material found in marshy or damp regions, composed of partially decayed vegetable matter: it is cut and dried for use as fuel.
2. such vegetable matter used as fertilizer or fuel.
[ 1300-50; ME pete (cf. AL peta ) ]
peat 2
/peet/ , n. Obs.
a merry young girl; darling (used as a term of endearment).
[ 1560-70; orig. uncert. ]