lour, lower (v.)
frown, scowl, look dark and threatening
CE II.i.86 [Luciana to Adriana] Fie, how impatience loureth in your face
R2 I.iii.235 [King Richard to John of Gaunt] Why at our justice seemest thou then to lour?
R3 I.i.3 [Richard alone] all the clouds that loured upon our house
R3 V.iii.284 [King Richard to Ratcliffe] The sky doth frown and lour upon our army
RJ IV.v.94 [Friar to all] The heavens do lour upon you for some ill
Sonn 149.7 [] if thou lower'st on me do I not spend / Revenge upon myself with present moan?