Definition of open fire on
- The troops opened fire on the enemy.
: having no enclosing or confining barrier : accessible on all or nearly all sides
: being in a position or adjustment to permit passage : not shut or locked
: having a barrier (such as a door) so adjusted as to allow passage
: to move (something, such as a door) from a closed position
: to make available for entry or passage by turning back (something, such as a barrier) or removing (something, such as a cover or an obstruction)
: to make available for or active in a regular function
: open and unobstructed space: such as
: open air
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