ab·du·cens nerve \-ˌsenz-\noun alsoabducent nerveorabducens (pluralabducen·tes \ˌ ̷ ̷(ˌ) ̷ ̷ˈsen(ˌ)tēz\) Etymology: Latin abducent-, abducens, present participle of abducere : either of the 6th pair of cranial nerves, being a motor nerve arising beneath the floor of the 4th ventricle and supplying the external rectus muscle of the eye