crowd together
1. To move close together. We were so cold while waiting in line that we crowded together for warmth.
2. To position things close together. In this usage, a noun or pronoun can be used between "crowd" and "together." I tried crowding all of my clothes together to make room for my jacket, but it still wouldn't fit in the suitcase.
crowd someone or something together
to push or squeeze people or things together. See if you can crowd them together and get more in the row. I am afraid that I crowded the plants together too much.
crowd together
to pack tightly together. The tenants crowded together in the lobby. All the kittens crowded together to keep warm.