| 单词 | coccyx |
| 释义 | Word Frequency coccyx(ˈkɒksɪks) nounWord forms: plural coccyges (kɒkˈsaɪdʒiːz) a small triangular bone at the end of the spinal column in humans and some apes, representing a vestigial tail Derived forms coccygeal (kɒkˈsɪdʒɪəl) or coccygian (kɒkˈsɪdʒɪən) adjective Word origin C17: from New Latin, from Greek kokkux cuckoo, of imitative origin; from the likeness of the bone to a cuckoo's beak |
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