n.
Pronunciation: ə - ' na-b ə -s ə s
Function: noun
Inflected Form: plural -a · ses \ - ˌ s ē z \
Etymology: Greek, inland march, from anabainein to go up or inland, from ana- + bainein to go ― more at COME
Date: circa 1706
1 : a going or marching up : ADVANCE especially : a military advance
2 [from the retreat of Greek mercenaries in Asia Minor described in the Anabasis of Xenophon] : a difficult and dangerous military retreat