Tubule \Tu"bule\, n. [F. tubule, or L. tubulus, dim. of tubus a tube, a pipe.]

1. A small pipe or fistular body; a little tube.

2. (Anat.) A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney.

Source: Webster's Revised Unabridged Dictionary (1913)