noun
plural -ners
[count] someone's husband or wife or the person someone has sexual relations with
one of two or more people, businesses, etc., that work together or do business together
someone who participates in an activity or game with another person
verb
-ners; -nered; -nering
to be or become a partner :to join with someone or something as a partner [no obj]
usually used as (be) partnered