Noun hudson has 3 senses

• hudson(n = noun.object) hudson river - a New York river; flows southward into New York Bay; explored by Henry Hudson early in the 17th century;
is a part of empire state, new york, new york state, ny
is a kind of river

• hudson(n = noun.person) w. h. hudson, william henry hudson - English naturalist (born in Argentina) (1841-1922);
is a kind of natural scientist, naturalist

• hudson(n = noun.person) henry hudson - 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);
is a kind of navigator