(theater) Able to perform scripted material from memory, without need to refer to the text. / (accounting) Off the books, not officially recorded.

An organization devoted to collecting funds for a specific other organization.

A dose of an antigen designed to strengthen immunity after an earlier immunizing dose.

A dose of an antigen designed to strengthen immunity after an earlier immunizing dose.

A dose of an antigen designed to strengthen immunity after an earlier immunizing dose.

(Australian rules football) A conventional expression meant to distract or wish bad luck to an opponent who is taking a kick for goal.

(idiomatic) To damage one's own reputation through bad behavior.

A table with enclosed sides, for displaying books for sale.

(arachnology) A lamellate respiratory organ found in arachnids.

(slang) One of a pair of large or womanly breasts on a man caused by pectoral fat, or sometimes a hormonal condition such as gynecomastia.