All 7 Uses

serpent
in
Antony and Cleopatra
(Auto-generated)

For not alone The death of Fulvia, with more urgent touches, Do strongly speak to us; but the letters too Of many our contriving friends in Rome Petition us at home: Sextus Pompeius Hath given the dare to Caesar, and commands The empire of the sea; our slippery people,—Whose love is never link'd to the deserver Till his deserts are past,—begin to throw Pompey the Great, and all his dignities, Upon his son; who, high in name and power, Higher than both in blood and life, stands up For the main soldier: whose quality, going on, The sides o' the world may danger: much is breeding Which, like the courser's hair, hath yet but life And not a serpent's poison.†
Scene 1.2

serpent = snake
—He's speaking now, Or murmuring 'Where's my serpent of old Nile?'†
Scene 1.5
and kindly creatures Turn all to serpents!†
Scene 2.5 *

serpents = snakes
You've strange serpents there.†
Scene 2.7
Your serpent of Egypt is bred now of your mud by the operation of your sun: so is your crocodile.†
Scene 2.7

serpent = snake
'Tis a strange serpent.†
Scene 2.7
I dare not, dear,—Dear my lord, pardon,—I dare not, Lest I be taken: not the imperious show Of the full-fortun'd Caesar ever shall Be brooch'd with me; if knife, drugs, serpents, have Edge, sting, or operation, I am safe; Your wife Octavia, with her modest eyes And still conclusion, shall acquire no honour Demuring upon me.†
Scene 4.15

serpents = snakes

Definitions:

(1) (serpent)
a snake
(2) (meaning too rare to warrant focus)
For less common senses of "serpent", see a comprehensive dictionary.