What is Allision?

Legal Definition
Maritime law. The running of one vessel against another. It is distiguished from collision in this, that the latter means the running of two vessels against each other; this latter term is frequently used for allision.
-- Bouviers Law Dictionary
Legal Definition
The running of one vessel into or against another, as distinguished from a collision, i. e., the running of two vessels against each other.
-- Black's Law Dictionary
Legal Definition
The running of a vessel into another vessel, collision.
-- Ballentine's Law Dictionary