Obs. rare. [OE. solian, = MDu. and MLG. solen, OHG. solôn (MHG. solen): cf. SOL a.] intr. To become foul or dirty.
c. 1000. Reimlied, 67. Searo hwit solaþ, sumur hat colað.
c. 1250. Owl & Night., 1276. Nis noht so hot þat hit nacoleþ Ne noht so hwit þat hit ne soleþ.
Sole, obs. form of SOWL v.