Having two horns or horn-like projections; characterized by two antennae or appendages shaped like horns.
From Greek 'di-' (two) + 'keras' (horn) + '-ous' (adjective suffix). This descriptive term emerged in biological taxonomy to characterize organisms with distinctly paired horn structures.
Many dicerous insects like beetles and some crustaceans use their paired horn-like structures called cerci to detect air currents and sense approaching predators in complete darkness.
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