Having the radicle placed laterally against the cotyledons (i.e. having accumbent cotyledons).
Late 19th century. From pleuro- + ancient Greek ῥίζα root + -al.
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。