1Zoology a finger-shaped gland in cartilaginous fishes that secretes sodium chloride.
2Entomology= rectal pad.
Late 19th century; earliest use found in William Allingham (1824–1889), poet.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。