definition of
[attender]

[1] #1 attender n. [hearer, listener, auditor] someone who listens attentively. wn

[2] #2 attender n. [attendant, tender] someone who waits on or tends to or attends to the needs of another. wn

[3] #3 attender n. [attendant, attendee, meeter] a person who is present and participates in a meeting; "he was a regular attender at department meetings"; "the gathering satisfied both organizers and attendees". wn