1. A sky filled with rows of cirrocumulus or small altocumulus clouds

Derived forms: mackerel skies, mackerel sky

Type of: sky

Encyclopedia: Mackerel sky

• ruiner
• ruining
• ruinous
• ruinously
• rule
• rule book
• rule in
• rule of cy pres
• rule of evidence
• rule of grammar
• rule of law
• rule of morphology
• rule of thumb
• rule out
• rule-governed
• ruled
• ruleless
• ruler
• rulership
• rules of order
• ruling
• ruling class
• ruly
• rum
• rum baba