ˈsɛkʃən ˈsɛkʃən ˈsɛɡ.mənt ˈsɛɡ.mənt divide or split up The cells segmented divide into segments segment an orange segment a compound word one of several parts or pieces that fit with others to constitute a whole object a section of a fishing rod metal sections were used below ground finished the final segment of the road one of the parts into which something naturally divides a segment of an orange