knave

Definition of Knave in English :

a deceitful and unreliable scoundrel

2. jack, knave

one of four face cards in a deck bearing a picture of a young prince

WordNet Lexical Database for English. Princeton University. 2010.

Knave

noun

1. archaic

a dishonest man; rogue

2. another word for jack1 (sense 6)

3. obsolete

a male servant

noun

1. Archaic

a.

a serving boy or male servant

b.

a man of humble birth or status

2.

a dishonest, deceitful person; tricky rascal; rogue

3.

jack (sense 13) jack (sense 13a)

n.

1. An unprincipled, crafty fellow.

2.

a. A male servant.

b. A man of humble birth.

3. Games See jack.