moonball1
/ˈmuːnbɔːl/Lawn Tennis informal
noun
A high lob.
Origin
1970s; earliest use found in World of Tennis '75. From moon + ball.
moonball2
/ˈmuːnbɔːl/Lawn Tennis informal
verb
[no object] To hit a high lob; to engage in play predominantly characterized by such shots.
Origin
1980s; earliest use found in The Washington Post. From moonball.