castor² /käˈstər/

1. The beaver (genus Castor)
2. Castoreum
3. A hat of beaver or similar fur

castoreum /-tōˈri-əm or -töˈ/ noun

The dried perineal sacs of the beaver, or a brown unctuous strong-smelling substance obtained from them, formerly used in medicine and perfumery

• talisman
• talismanic
• the creeps
• the crescent moon
• the cut of someone's jib
• the daddy of them all
• the damned
• the day
• the day after the fair
• the dead
• the deceased
• the defects of one's qualities
• the departed
• the depths
• the devil and all
• the devil's tattoo
• the devil to pay
• the die is cast
• the dingbats
• the dismal science
• the doctrine of infallibility
• the dog's bollocks
• the done thing
• the Downs
• the downy