To affix one's name to; write one's name; make signs; signal.
A pantomimic gesture.
An inscription or the like to indicate a place of business.
A mark; symbol.
So the boy went at once, for he had a good sign. – Traditions of the Tinguian: A Study in Philippine Folk-Lore by Fay-Cooper Cole
Sure sign of being a little out of order. – The Man with a Shadow by George Manville Fenn