1. To take or seize by the way, or before arrival at the destined place; to cause to stop on the passage; as, to intercept a letter; a telegram will intercept him at paris. God will shortly intercept your breath. (Joye)
2. To obstruct or interrupt the progress of; to stop; to hinder or oppose; as, to intercept the current of a river. Who intercepts me in my expedition? (Shak) We must meet first, and intercept his course. (Dryden)
4. (Science: mathematics) to include between; as, that part of the ine which is intercepted between the points a and B.