UBS Dictionary of Biblical Hebrew

Sense 1: asp, cobra

Semantic domains: Small Animals (001001002001003)

Core domains: Animal (010); Security (152)

Definition: = snake with the ability to spread the ribs in the neck area, so as to form a broad, flat profile called the hood, which makes it look thicker than it really is; reaches two meters in length and 50 millimeters in diameter; it is dark brown with a yellowish underside; very poisonous; feeds on mice, gerbils, birds, bird eggs, lizards, frogs, and other snakes; ≈ associated with great danger

Further resources: Fauna:4.4

Synonyms: אֶפְעֶה · נָחָשׁ · פֶּתֶן · תַּנִּין