a. Bot. [f. L. AMENTUM + -ACEOUS.] a. Of the nature of a catkin. b. Bearing catkins.

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1754.  Miller, Gard. Dict., III. (J.). It [the Pine-tree] hath amentaceous Flowers, or Katkins.

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1852.  T. Ross, Humboldt’s Trav., I. vi. 213. Among amentaceous plants, the willows, oaks, and birch-trees.

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