— polygalaceous /pol'ee geuh lay"sheuhs, peuh lig'euh-/ , adj.
/peuh lig"euh leuh/ , n.
any plant of the genus Polygala, comprising the milkworts.
[ 1570-80; polygala, for Gk polýgalon milkwort, lit., something very milky, equiv. to poly- POLY- + -galon, deriv. of gála milk; see GALACTO- ]