amphitropous,a.Bot.|æmˈfɪtrəpəs| [f. as prec. + -ous.] =prec. 1841Lindley Elem.Bot. 55 When [the ovule is] attached by its middle, so that the foramen is at one end and the base at the other, it is amphitropous.1870Hooker Stud. Flora 47 Frankeniaceæ..ovules..amphitropous with the micropyle below.