Englishfor English speakers
sign
Noun
—
A flat thing with a few words or pictures on it to tell people something.
I saw a stop sign, so I stopped the car.
sign
Verb
—
When someone signs a piece of paper, they write their signature on it.
They signed a contract saying exactly who would do the work and how much money they would be paid.
—
If a company signs someone, they hire them to work.
ambiguity
—
noun
an expression whose meaning cannot be determined from its context
—
noun
unclearness by virtue of having more than one meaning