To contact or touch (something).
To have a meeting with (someone).
To strike (something).
To answer (something) with; to respond to (something) with.
To encounter; to experience.
To ask (somebody) to do something.
To ask for (something).
A message sent over a network to a server.
Act of requesting (with the adposition at in the presence of possessives, and on in their absence).
Condition of being sought after.
A formal message requesting something.