no objectTo pursue astronomy; to observe the night sky.
Origin
Late 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From astronomy + -ize. Compare French †astronomiser to practise astronomy.
Definition of astronomize in US English:
astronomize
(also astronomise)
verbəˈstrɒnəmʌɪz
no objectTo pursue astronomy; to observe the night sky.
Origin
Late 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From astronomy + -ize. Compare French † astronomiser to practise astronomy.