noun
scrum
SKRUM/skrʌm/
A tightly packed group of people pushing or crowding together.
A scrum of commuters pushes toward the train doors.

Etymology
A rugby scrimmage's packed struggle transferred to any noisy, pushing crowd.
A tightly packed group of people pushing or crowding together.
A scrum of commuters pushes toward the train doors.

A rugby scrimmage's packed struggle transferred to any noisy, pushing crowd.