contestada

The stranger came early in February, one wintry day, through a biting wind and a driving snow, the last snowfall of the year, over the down, walking from Bramblehurst railway station, and carrying a little black portmanteau in his thickly gloved hand.
What does the term portmanteau mean in the first paragraph?
A) leather suitcase
B) leather gloves
C) leather coat
D) leather hat