(verb) stab or pierce with a horn or tusk. Synonyms: horn, tusk. Example: "The rhino horned the explorer."
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Verb Definition 1
(adj) having a horn or horns or hornlike parts or horns of a particular kind. Synonyms: horned (vs. hornless). Examples: "Horned viper." "Great horned owl." "The unicorn--a mythical horned beast." "Long-horned cattle."