cook³ or kook /kŭk/ (Scot)

1. To dart in and out of sight
2. To peep

• on commando
• OncoMouse®
• Oncorhynchus
• oncornavirus
• oncornaviruses
• oncost
• oncostman
• oncostmen
• oncosts
• oncotomies
• oncotomy
• on course
• on cue
• oncus
• OND
• ondansetron
• ondatra
• ondatras
• on demand
• Ondes Martenot
• ondes Martenot
• ondes musicales
• ondine
• onding
• ondings