The baseball term is "home run" or coloquially "homer".
'Give up a home run' is a term for a pitcher who has thrown a pitch that a batter has hit for a home run. When a batter hits a home run you might here the announcer say 'That was the 4th home run given up by [pitcher] this season'. That means the pitcher has thrown four pitches that batters have hit for home runs.
Homer was the author of the epics known as the Iliad and the Odyssey. The word homer can also be another term for home run in the game of Baseball.
Roundtripper is another term for a home run.
A circuit home run is a baseball term used to describe a home run where the batter hits all the bases without stopping. It is also known as an "inside-the-park" home run.
A home run?
Contrary to some suggestions, the answer here is not cricket. The term "home run" is never used in cricket, and the Oxford English Dictionary states that the only use of the term outside of Baseball is as a synonym of "home stretch".
Yes, the term 'home run' is a noun, a compound noun a word for a scoring hit in a baseball game; a word for a thing,
A big fly is a term used in baseball for a home run.
A home that you do not intend to live in, in a long term basis.
it the middle one
I am almost positive that H.R. in baseball means home run