American Sign Language |
a language used by many deaf people in North America, made up of hand movements and signs. |

division sign |
a mathematical sign consisting of a small horizontal line with a dot above and below it, indicating that the numeral preceding it is to be divided by the numeral following it. |

dollar sign |
a sign ($) denoting one or more dollars, or indicating that the numbers following are expressed as dollars. |

equal sign |
a mathematical sign (=) indicating that the terms on either side of it are equal. |

minus sign |
a mathematical sign (-) indicating subtraction or a negative quantity. |

multiplication sign |
a mathematical sign (x) indicating that the numbers before and after it are to be multiplied. |

plus sign |
a mathematical sign (+) indicating addition or a positive quantity. |

radical sign |
a mathematical sign placed before a quantity to indicate extraction of its root. |

re-sign |
to sign again. |

sign in |
to write your name to show that you have arrived. |

sign language |
a system of manual configurations and motions used as a language for the deaf. |

sign of the zodiac |
any of the twelve symbols given to the parts of the zodiac. |

sign up |
to join or cause to join a particular group, class, or activity; register. |