1.
1 : a person acting for another: such as
2 : a representative to a convention or conference

U.N. delegates from African nations The nominee netted a handful of delegates in the state's caucus.
3 : a representative of a U.S. territory in the House of Representatives
4 : a member of the lower house of the legislature of Maryland, Virginia, or West Virginia
5 : to entrust to another

delegate authority delegated the task to her assistant
6 : to appoint as one's representative
7 : to assign responsibility or authority

a good manager knows how to delegate
8 : a person who is chosen or elected to vote or act for others
9 : to give (control, responsibility, authority, etc.) to someone : to trust someone with (a job, duty, etc.)
10 : to choose (someone) to do something
11 : a person sent with power to act for another or others
12 : to entrust to another

The voters delegate power to their elected officials.
13 : to make responsible for getting something done

We were delegated to clean up.
14 : a person empowered to act on behalf of another: as
15 : a person who is authorized to perform another's duties under a contract
16 : a representative to a convention (as of a political party) or conference
17 : a representative of a U.S. territory in the House of Representatives
18 : a member of the lower house of the legislature of Maryland, Virginia, or West Virginia
19 : to entrust or transfer (as power, authority, or responsibility) to another: as
20 : to transfer (one's contractual duties) to another
21 : to empower a body (as an administrative agency) to perform (a governmental function) — see also nondelegation doctrine
22 : to appoint as one's representative
23 : to transfer responsibility or authority