fall-in
Verbs
-
(v) break down, literally or metaphorically
- The wall collapsed
- The business collapsed
- The dam broke
- The roof collapsed
- The wall gave in
- The roof finally gave under the weight of the ice
-
(v) to take one's place in a military formation or line
- Troops fall in!
-
(v) become part of; become a member of a group or organization
- He joined the Communist Party as a young man