|a gadget; dingus; thingumbob.|
|a chattering or flighty, light-headed person.|
|bipinnate (bī-pĭn'āt') Pronunciation Key
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Relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. Bipinnate leaves have a feathery appearance. The acacia, coffeetree, and silktree have bipinnate leaves.