adjective
Origin: < di- + Gr adelphos, brother < a-, copulative + delphys, womb (see dolphin); used in contrast to phratēr, brother, commonly used for cousins and other relatives and for political colleagues; + -ous
See diadelphous in American Heritage Dictionary 4
adjective
Origin:
Origin: di-1
Origin: + Greek adelphos, brother
.Learn more about diadelphous