Third-person singular simple present indicative form of sign.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "signs" in a sentence
"By appealing to the role of conventions, it is thought, we can distinguish linguistic signs, the meaningful use of words, from mere natural ˜signs™."
"Passion of sudden death! that once in youth I read and interpreted by the shadows of thy averted signs [Footnote: "_Averted signs_": -- I read the course and changes of the lady's agony in the succession of her involuntary gestures; but it must be remembered that I read all this from the rear, never once catching the lady's full face, and even her profile imperfectly.]!"
"Proglem is google initially replaces all your blank spaces with + signs, the +signs with a \% 2B code and so on."