squab

1. (sometimes attributive) A baby pigeon, dove, or chicken.
2. The meat of such a baby bird used as food.
3. A baby rook.
4. A thick cushion, especially a flat one covering the seat of a chair or sofa.
5. A person of a short, fat figure.

1. To fall plump; to strike at one dash, or with a heavy stroke.
2. To furnish with squabs, or cushions.
3. To stuff thickly and sew through, the stitches being concealed by buttons, etc.

1. Fat; thick; plump; bulky.
2. Unfledged; unfeathered.

   a squab pigeon

3. Clumsy.
4. Curt; abrupt.
5. Shy; coy.

adverb

With a heavy fall; plump.