(US, slang) A blind tiger or speakeasy. / (Southern US) A police officer who has been bribed to ignore illegal activities.

(finance) Collective investment (such as a company or syndicate) where the investors have little or no idea what is being done.

Britain standard spelling of color blindness.

The place where the optic nerve attaches to the retina, and so where the retina cannot detect light. / (automotive) In driving, the part of the road that cannot be seen in the rear-view mirror.

(anatomy) The caecum of the intestines.

A map with political boundaries and major geographical features shown, but without names. Sometimes used for testing or training purposes.

(idiomatic) A date (romantic meeting) between two people who have never met before.

A form of ecash that gives the customer ability to spend money without the sender bank tracking where it goes.

A bookbinding technique in which decorations to the cover of a book are made by making impressions into the surface with a variety of heated tools.

(informal) The inability to see something that is plainly visible, in an everyday home situation.