Anagrams of: BLACKRHINOCEROS

• Any voucher or note from a merchant to a customer to provide an item the merchant has run out of at a later date for the item's current price, or (in a more literal sense) to provide a service at a later date.

• In social interactions, a polite way to turn down an invitation, with the implication one is simply postponing it and that another time would be acceptable.

• the back of a horse

• a narrow ridge of hills

• on the back of a horse

• Any voucher or note from a merchant to a customer to provide an item the merchant has run out of at a later date for the item's current price, or (in a more literal sense) to provide a service at a later date.

• In social interactions, a polite way to turn down an invitation, with the implication one is simply postponing it and that another time would be acceptable.

• a defensive football player stationed outside the linebackers

• anything used as a toy horse (such as a rocking horse or one knee of an adult)

• capable of being shocked

• a person who polishes shoes and boots