Tab n. : The flap or latchet of a shoe fastened with a string or a buckle.

Tab n. : A tag. See Tag, 2.

Tab n. : A loop for pulling or lifting something.

Tab n. : A border of lace or other material, worn on the inner front edge of ladies' bonnets.

Tab n. : A loose pendent part of a lady's garment; esp., one of a series of pendent squares forming an edge or border.

Example:
How to make newly opened Tabs in Opera not become the active Tab?

Taxonomy
tablet, drugs, coatings, ingredients, powders, granules, binders, pressure, Medicinal tablets, direct compression, Tablet presses, excipients, punch, formulations, Dry granulation, Simulator, scored tablets, granulation.

Defination from the web:
tablet is the most popular dosage form in use today. ... A tablet can be formulated to deliver an accurate dosage to a specific site; it is usually taken orally, but can be administered sublingually, rectally or intravaginally. The tablet is just one of the many forms ...