| 单词 | lacuna |
| 释义 | Word Frequency lacuna(ləˈkjuːnə) nounWord forms: plural -nae (-niː) or -nas 1. a gap or space, esp in a book or manuscript 2. biology a cavity or depression, such as any of the spaces in the matrix of bone 3. another name for coffer (sense 3) Derived forms lacunose (laˈcunose) or lacunal (laˈcunal) or lacunary (laˈcunary) adjective lacunosity (ˌlækjʊˈnɒsɪtɪ) noun Word origin C17: from Latin lacūna pool, cavity, from lacus lake |
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