Definition of "louk"

Thou die heere for want of Bed, Food, and Fyres: Then who shall bee seene, To louk thy dead Eine? And intombe thee, I weine, As cuftome requyres?

1873, Alexander Craig, The Poetical Works of Alexander Craig of Rose-Craig, 1604-1631: Now First Collected, page 8

With cair ouercum, And sorou, vhen the sun goes out of sight, Hings doun his head, And droups as dead, And will not spread, Bot louks his leavis throu langour of the nicht,

????, published 1887, Alexander Montgomerie, Poems, page 148