This word is acceptable for play in the UK dictionary that is being used in the following games:

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adj. Botany Finely or minutely barbed: barbellate stems.

adj. Having a covering of fine barbs, quills, spines or thorns

adj. Having short, stiff hairs, often barbed at the point.

Having small bristles or barbules: used chiefly in botany. Also barbulate.

adj. having or covered with protective barbs or quills or spines or thorns or setae etc.

"We drew from the river shining blue perch heavier than the fattest man in our company, and there were huge catfish, with barbellate whiskers as long as my arm, that were too strong and weighty to be captured in the nets."

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