1. a New York river; flows southward into New York Bay; explored by Henry Hudson early in the 17th century (Freq. 5) • Syn: Hudson River • Instance Hypernyms: river • Part Holonyms: New York, New York State, Empire State, NY 2. English naturalist (born in Argentina)(1841-1922) • Syn: W. H. Hudson, William Henry Hudson • Instance Hypernyms: naturalist, natural scientist 3. English navigator who discovered the Hudson River; in 1610 he attempted to winter in Hudson Bay but his crew mutinied and set him adrift to die (1565-1611) • Syn: Henry Hudson • Instance Hypernyms: navigator