Final answer:
A meeting of party members to choose a nominee through debate is called a caucus. Party members discuss candidates and then cast their vote, with the majority winner receiving the delegates. Some states regularly use caucuses for nominations.
Step-by-step explanation:
A meeting of party members to choose a nominee through debate is called a caucus. During a caucus, party members gather to discuss the pros and cons of each candidate and then cast their vote. The candidate with the majority of support receives the delegates for that district or precinct. Some states, such as Alaska, Colorado, Hawaii, Idaho, Iowa, and Nevada, regularly use caucuses for nominations.