across |
so as to pass over at an angle, as one line crossing over another. [1/5 definitions] |

acute |
an angle of less than ninety degrees. [1/4 definitions] |

acute angle |
an angle of less than ninety degrees. |

angle^{1} |
to move at an angle. [1/4 definitions] |

corner |
the place where two lines or surfaces meet to form an angle. [1/5 definitions] |

crank |
a device that moves things in a circle. Cranks have a lever attached at a right angle to the end of an arm that moves in a circle. Cranks are turned by hand or by another arm that connects to the lever. [1/4 definitions] |

glance |
to hit something at a slant and move off at an angle. [1/3 definitions] |

hypotenuse |
the side opposite the right angle in a right triangle; the longest side of a right triangle. |

oblique angle |
an angle that is not a right angle. |

obtuse angle |
an angle greater than 90 degrees and less than 180 degrees. |

perpendicular |
at a right angle to. [1/2 definitions] |

right angle |
the angle formed where two perpendicular lines meet. It measures ninety degrees. |

right triangle |
a triangle with a right angle. |

scythe |
a tool that has a long handle with a long, curved blade attached to the end at a right angle. It is used for cutting grass or harvesting grain by hand. |

slant |
to be at a leaning or tilting angle. [1/2 definitions] |

slope |
any surface that is set at an angle. [1/4 definitions] |

square |
an instrument with straight edges and a right angle used to draw or test right angles. [2/22 definitions] |

turn |
an angle, bend, or curve. [1/22 definitions] |

vertex |
the point where the sides of an angle or geometric solid come together. [1/2 definitions] |