Quick answer
Meriwether is a boy name meaning "happy weather".
Pronunciation: American English /ˈmɛɹ.ɪ.wɛð.əɹ/; British English /ˈmɛɹ.ɪ.wɛð.ə/.
Meaning and history
From a surname meaning "happy weather" in Middle English, originally belonging to a cheery person. A notable bearer of the name was Meriwether Lewis (1774-1809), who, with William Clark, explored the west of North America.
Notes and context
Usage: english