Entry 7 senses · 4 variants Webster, 1913 Squab /(skwŏb)/ · IPA /ˈskwɑb/ a. n. adv. v. i. 01 a. Fat; thick; plump; bulky. 1. Fat; thick; plump; bulky. “Nor the squab daughter nor the wife were nice.” — Betterton. 2. Unfledged; unfeathered; as, a squab pigeon. 02 n. A nestling of a pigeon or other similar bird, esp. when very fat and not fully fledged. 1. A nestling of a pigeon or other similar bird, esp. when very fat and not fully fledged.(Zool.) 2. A person of a short, fat figure. “Gorgonious sits abdominous and wan, Like a fat squab upon a Chinese fan.” — Cowper. 3. A thickly stuffed cushion; especially, one used for the seat of a sofa, couch, or chair; also, a sofa. “Punching the squab of chairs and sofas.” — Dickens. “On her large squab you find her spread.” — Pope. 03 adv. With a heavy fall; plump. 1. With a heavy fall; plump.[Vulgar] “The eagle took the tortoise up into the air, and dropped him down, squab, upon a rock.” — L'Estrange. 04 v. i. To fall plump; to strike at one dash, or with a heavy stroke. 1. To fall plump; to strike at one dash, or with a heavy stroke.[Obs.]