- the middle of a course.
- Rocketry. the portion of a ballistic trajectory between the end of powered flight and the beginning of the reentry phase.
- Aerospace. the portion of a space trajectory between leaving the earth's vicinity and arrival at the desired destination, as another planet.
Origin of midcourse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mid-course
The "Dialogues of the Damned" are an incomplete series, arrested in mid-course at No.Sonia Between two Worlds
Our planet, for example, is in the mid-course of its experience.Amiel's Journal
None, no none, could get anywhere near it; even Martin was left many yards behind in mid-course.A Hungarian Nabob
The interior table-land, especially towards the mid-course of the Zambesi, is intersected by lofty mountain-chains.The Desert World
The daughter's hand, which had just resumed the needle, stood still in mid-course with the white thread half-drawn.The Grandissimes
George Washington Cable
Word Origin and History for mid-course
Online Etymology Dictionary, © 2010 Douglas Harper