{
    "term": "blade",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "image": "data/images/bl/blades.png",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "the flat part of a knife, tool or machine, which has a sharp edge or edges for cutting",
            "cefr": "c1",
            "examples": [
                {
                    "text": "The machine comes with a plastic guard over the blade to protect the operator."
                },
                {
                    "text": "Knife blades are generally made of stainless steel."
                },
                {
                    "text": "The prisoner used a hacksaw blade to cut through the bars."
                },
                {
                    "text": "He swung the blade with all his strength."
                },
                {
                    "text": "The swordsmen weaved and dodged as their blades clashed over and over again."
                }
            ],
            "collocations": {
                "adjective": ["sharp", "blunt", "dull"],
                "verb + blade": ["sharpen", "draw", "sheathe"]
            }
        },
        {
            "senseNumber": 2,
            "definition": "one of the flat parts that turn around in an engine or on a helicopter",
            "cefr": "c1",
            "examples": [
                {
                    "text": "the blades of a propeller"
                },
                {
                    "text": "rotor blades on a helicopter"
                }
            ],
            "topics": ["Transport by air", "Engineering"],
            "collocations": {
                "adjective": ["sharp", "blunt", "dull"],
                "verb + blade": ["sharpen", "draw", "sheathe"]
            }
        },
        {
            "senseNumber": 3,
            "definition": "the flat wide part of an oar (= one of the long straight pieces of wood that are used to row a boat) that goes in the water",
            "examples": []
        },
        {
            "senseNumber": 4,
            "definition": "a single flat leaf of grass",
            "cefr": "c2",
            "examples": [
                {
                    "text": "Not a blade of grass stirred."
                }
            ],
            "topics": ["Plants and trees"]
        },
        {
            "senseNumber": 5,
            "definition": "the flat metal part on the bottom of an ice skate",
            "examples": []
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/bleɪd/",
                "audio": "bl/blade/blade__gb_2.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/bleɪd/",
                "audio": "bl/blade/blade__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "Old English blæd ‘leaf of a plant’ (also in sense (2)), of Germanic origin; related to Dutch blad and German Blatt."
}