From an unused root meaning to extrude; a viper (as thrusting out the tongue, i.e. Hissing) -- adder, cockatrice.
Englishman's Concordance
1) poisonous serpent 1a) a viper snake or adder Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from an unused root meaning to extrude Same Word by TWOT Number: 1954a, 1954b
Proverbs 23:32 HEB:כְּנָחָ֣שׁ יִשָּׁ֑ךְ וּֽכְצִפְעֹנִ֥י יַפְרִֽשׁ׃ NAS: And stings like a viper. KJV: and stingeth like an adder. INT: A serpent bites A viper and stings
Isaiah 11:8 HEB:וְעַל֙ מְאוּרַ֣ת צִפְעוֹנִ֔י גָּמ֖וּל יָד֥וֹ NAS: his hand on the viper's den. KJV: his hand on the cockatrice' den. INT: and den the viper's and the weaned his hand
Isaiah 14:29 HEB:נָחָשׁ֙ יֵ֣צֵא צֶ֔פַע וּפִרְי֖וֹ שָׂרָ֥ף NAS: root a viper will come KJV: shall come forth a cockatrice, and his fruit INT: the serpent's will come A viper fruit serpent
Isaiah 59:5 HEB: בֵּיצֵ֤י צִפְעוֹנִי֙ בִּקֵּ֔עוּ וְקוּרֵ֥י NAS: They hatch adders' eggs and weave KJV: They hatch cockatrice' eggs, and weave INT: eggs adders' hatch web
Jeremiah 8:17 HEB:בָּכֶ֗ם נְחָשִׁים֙ צִפְעֹנִ֔ים אֲשֶׁ֥ר אֵין־ NAS: serpents against you, Adders, for which KJV: serpents, cockatrices, among you, which [will] not [be] charmed, INT: I am sending serpents Adders which there