| barb | (noun) one of the parallel filaments projecting from the main shaft of a feather | - |
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| (noun) a subsidiary point facing opposite from the main point that makes an arrowhead or spear hard to remove | - |
| (noun) the pointed part of barbed wire | - |
| (noun) an aggressive remark directed at a person like a missile and intended to have a telling effect | Synonyms: dig, gibe, jibe, shaft, shot, slam |
| rhubarb | (noun) long pinkish sour leafstalks usually eaten cooked and sweetened | Synonyms: pieplant |
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| (noun) plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous | Synonyms: rhubarb plant |