Word: blackjack
Part of speech: Noun
Syllables: black
jack
Definition: The flag (i.e., a jack) traditionally flown by pirate ships; popularly thought to be a white skull and crossed bones on a black field (the Jolly Roger).
Morphemes:
Affix: black
Language: en
PoS: Noun
Meaning: Black cloth hung up at funerals.
Affix: jack
Language: en
PoS: Noun
Meaning: A small ship's flag used as a signal or identifying device; a small flag flown at the bow of the vessel.