a. [f. BI- pref.2 1 + PECTINATE, f. L. pecten, pectin-em comb.] Having two margins toothed like a comb.

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1836–9.  Todd, Cycl. Anat. & Phys., II. 892. The bipectinated antennæ of many moths.

2

1870.  Rolleston, Anim. Life, 40. The four bipectinate gills.

3