noun
(countable, uncountable) A visible fact that shows that something exists or may happen.
A mark or another symbol used to represent something.
(Canada, US, Australia, uncountable) Physical evidence left by an animal.
A clearly visible object, generally flat, bearing a short message in words or pictures.
A wonder; miracle; prodigy.
(astrology) An astrological sign.
(mathematics) Positive or negative polarity, as denoted by the + or - sign.
A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.
(uncountable) Sign language in general.
A semantic unit, something that conveys meaning or information (e.g. a word of written language); (linguistics, semiotics) a unit consisting of a signifier and a signified concept. (See sign (semiotics).)
A military emblem carried on a banner or standard.
verb
To make a mark
To make the sign of the cross
To indicate
To determine the sign of