spheroid
n.
"body resembling, but not identical with, a sphere," 1560s, from Latin sphaeroides, from Greek sphairoeides "ball-like, spherical," from sphaira (see sphere) + -oeides "form" (see -oid). As an adjective from 1767. Related: Spheroidal.
〔李〕a. 球状的 n. 球状体 [spher =globe] ←-oid [GK] 表示“如⋯物（的）”