Wat is de betekenis van Odacker, Oetacker, Odagker, Oetagker?

Odacer, Odager, Odagrius, Odacer, Oetagrius, q.d. vastator agrorum, ab oede. i. incultus, desertus: eoden. i. incultum facere, vastare, in solitudinem redigere, I. Auent.