buzz

(noun) sound of rapid vibration. Synonyms: bombilation, bombination. Example: "The buzz of a bumble bee."

(noun) a confusion of activity and gossip. Example: "The buzz of excitement was so great that a formal denial was issued."

(verb) make a buzzing sound. Synonyms: bombinate, bombilate. Example: "Bees were buzzing around the hive."

(verb) fly low. Example: "Planes buzzed the crowds in the square."

(verb) be noisy with activity. Synonyms: hum, seethe. Example: "This office is buzzing with activity."

(verb) call with a buzzer. Example: "He buzzed the servant."