Having had the top cut off or removed; decapitated or topped (chiefly used of trees or animals in farming contexts).
From the verb 'dod,' meaning to cut off the top or head, plus the past participle -ed. An old English farming term with uncertain ultimate origins, possibly related to 'dodo' or Scandinavian languages.
Dodded appears in agricultural records and old farming guides referring to trees that have been pollarded (had their heads cut off to make them bushier) or animals that have been dehorned—it's farming vocabulary that's almost completely disappeared.
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