an event, an action, a fact, etc. that shows that something exists, is happening or may happen in the future

1[countable, uncountable] an event, an action, a fact, etc. · 2[countable] a piece of paper, wood, or metal that has writing or a picture on it that gives you ...

to write your name on a document, letter, etc. to show that you have written it, that you agree with what it says, or that it is real.

to sign a document to show that you have agreed to buy something or do something Just sign on the dotted line and the car is yours. sign/take the pledge (old- ...

There are 36 meanings listed in OED's entry for the noun sign, seven of which are labelled obsolete. See 'Meaning & use' for definitions, usage, ...

signing · ​[uncountable] the act of writing your name at the end of an official document to show that you accept it · ​[countable] (British English) a person ...

​to write your/somebody's name when you arrive at or leave an office, a club, etc. All visitors must sign in on arrival. You must sign guests out when they ...

Widely understood as the primary concept of semiotics, the notion of sign is easy to understand informally, building on the world's everyday usage.

the act of writing your name at the end of an official document to show that you accept it; the signing of the Treaty of Rome.

to write your/someone's name when you arrive at or leave an office, a club, etc. All visitors must sign in on arrival. You must sign guests out when they leave ...