a. [ad. mod.L. bacillārius, f. L. bacillus little rod. Cf. F. bacillaire.] Of, pertaining to, or consisting of little rods.

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1865.  Reader, No. 139. 242/3. The bacillary layer.

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1874.  M. Cooke, Fungi, 170. Numerous bacillary spermatozoids.

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1875.  H. Walton, Dis. Eye, Introd. 27. External layer. Rods and cones. This is termed bacillary layer, or membrane Jacobi.

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