serpent
noun
[ ˈsəːp(ə)nt ]
• a large snake.
• a sly or treacherous person, especially one who exploits a position of trust in order to betray it.
• a bass wind instrument made of leather-covered wood in three U-shaped turns, with a cup-shaped mouthpiece and few keys.
Origin:
Middle English: via Old French from Latin serpent- ‘creeping’, from the verb serpere .
