Emily Dickinson Lexicon

COL-LI'SION, n. [s as z. L. collisio, from collido, collisi; con and lædo, to strike or hurt.]

1. The act of striking together; a striking together of two hard bodies. – Milton.
2. The state of being struck together; a clashing. Hence,
3. Opposition; interference; as, a collision of interests or of parties.
4. A running against each other, as ships at sea. – Marshal on Insurance. Walsh.