"open mouthed" meaning in Middle English

{
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adjective"
      },
      "expansion": "open mouthed",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1485, Sir Thomas Malory, chapter I, in Le Morte Darthur, book XVIII:",
          "text": "and so they loued to gyder more hotter than they did to fore hand / and had suche preuy draughtes to gyder that many in the Courte spak of hit / and in especial sir Agrauayne/ sir Gawayns broder / for he was euer open mouthed / So bifel that syre Launcelot had many resortes of ladyes and damoysels that dayly resorted vnto hym / that besoughte hym to be their champyon",
          "type": "quote"
        }
      ],
      "glosses": [
        "talkative, speaking freely."
      ],
      "id": "en-open_mouthed-enm-adj-MKjwbkhJ",
      "links": [
        [
          "talkative",
          "talkative"
        ]
      ]
    }
  ],
  "word": "open mouthed"
}

{
  "head_templates": [
    {
      "args": {
        "1": "enm",
        "2": "adjective"
      },
      "expansion": "open mouthed",
      "name": "head"
    }
  ],
  "lang": "Middle English",
  "lang_code": "enm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Middle English adjectives",
        "Middle English entries with incorrect language header",
        "Middle English lemmas",
        "Middle English multiword terms",
        "Middle English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of Middle English quotations"
      ],
      "examples": [
        {
          "ref": "1485, Sir Thomas Malory, chapter I, in Le Morte Darthur, book XVIII:",
          "text": "and so they loued to gyder more hotter than they did to fore hand / and had suche preuy draughtes to gyder that many in the Courte spak of hit / and in especial sir Agrauayne/ sir Gawayns broder / for he was euer open mouthed / So bifel that syre Launcelot had many resortes of ladyes and damoysels that dayly resorted vnto hym / that besoughte hym to be their champyon",
          "type": "quote"
        }
      ],
      "glosses": [
        "talkative, speaking freely."
      ],
      "links": [
        [
          "talkative",
          "talkative"
        ]
      ]
    }
  ],
  "word": "open mouthed"
}