From HomoExcelsior

1. A sharp point projecting in reverse direction to the main point of a weapon or tool, as on an arrow or fishhook. 2. A cutting remark. 3. One of the parallel filaments projecting from the main shaft of a feather. 4. A short, sharply hooked bristle or hairlike projection. 5.  and related genera. 6. A linen covering for a woman's head, throat, and chin worn in medieval times. 7. To provide or furnish with a barb.

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