Emily Dickinson Lexicon

PART'NER, n. [from part.]

1. One who partakes or shares with another; a partaker; an associate; as, she is the partner of my life, of my joys, of my griefs. Those of the race of Shem were no partners in the unbelieving work of the tower. – Ralegh.
2. An associate in any business or occupation; a joint owner of stock or capital, employed in commerce, manufactures or other business. Men are sometimes partners in a single voyage or adventure, sometimes in a firm or standing company.
3. One who dances with another, either male or female, as in a contra dance.
4. A husband or wife.