{"era":"current","word":"binoculars","meaning":"a pair of twin telescopes for both eyes","children":[{"era":"1800s","word":"binocular glass","meaning":"a binocular viewing device","children":[{"era":"1800s","word":"binocular","meaning":"two-eyed; using both eyes","children":[{"era":"classical","word":"binocularis","meaning":"two-eyed","children":[{"era":"classical","word":"bi- + oculus","meaning":"two + eye","children":[],"language":"Latin"}],"language":"Latin"}],"language":"English"}],"language":"English"}],"language":"Modern English"}