| straight arrow | |
| —n | |
| informal chiefly (US) | |
| a. a clean-living and honest person | |
| b. (as modifier): a straight-arrow cop | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a fool or simpleton; ninny. |
straight arrow definition
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