on memo adv. phr. on consignment; by informal agreement. Editorial Note: This term is particularly common in retailing of jewelry and precious stones. (source: Double-Tongued Dictionary)
Further reading
It’s hard to imagine now, but there was a time when people disagreed over the best word to use when answering the phone. Alexander Graham Bell suggested answering with ahoy! but Thomas Edison was partial to hello! A fascinating new book about...
The term highway robbery has its roots in the late 17th century, when traveling in and out of town by night could be particularly dangerous. Highway robbers would leap out of the darkness, point a weapon at the occupants of an approaching carriage...