Definition of duck-mole:
(n) :
An aquatic bird of the family Anatidae, having a flat bill and webbed feet.
(n) :
(uncountable) The flesh of a duck used as food.
(v) :
(transitive) To quickly lower (the head or body), often in order to prevent it from being struck by something.
(v) :
(transitive) To lower (something) into water; to thrust or plunge under liquid and suddenly withdraw.
(v) :
(intransitive) To go under the surface of water and immediately reappear; to plunge one's head into water or other liquid.
(v) :
(transitive, figurative) To evade doing something, especially something considered a responsibility.