spacedive noun 4verb 1forms 4 noun4 •A skydive from outer space, usually an orbital drop or direct insertion from beyond orbit, complete with (re-)entry heating. •(slang) A skydive that starts from orbit. •(slang) A skydive that starts above the Karman line. •(slang) A skydive that starts above the Armstrong line. verb1 •To perform a spacedive. formsspacedived · spacedove · spacediving · spacedives