Main Entry: spher·oid

Pronunciation: \ˈsfir-ˌȯid, ˈsfer-\

Function: noun

Date: 1570

: a figure resembling a sphere; also : an object of approximately spherical shape

— sphe·roi·dal \sfi-ˈrȯi-d^əl\ also spheroid adjective

— sphe·roi·dal·ly \-d^əl-ē\ adverb