underbelly

un·der·bel·ly

U0047600 (ŭn′dər-bĕl′ē)n. pl. un·der·bel·lies 1. The soft belly or underside of an animal's body. Also called underbody.2. The bottom side or part: scraped the car's underbelly going over the curb.3. The vulnerable or weak part or aspect: "What if quantum theory is wrong? This is the soft underbelly of the whole project of quantum gravity" (Lee Smolin).4. The corrupt or immoral part or aspect: "[a novel] that most effectively exposed the decadent underbelly of corporate high tech" (Theodore Roszack).

underbelly

(ˈʌndəˌbɛlɪ) n, pl -lies1. (Zoology) the part of an animal's belly nearest to the ground2. a vulnerable or unprotected part, aspect, or region

un•der•bel•ly

(ˈʌn dərˌbɛl i)

n., pl. -lies. 1. the lower abdomen. 2. the underneath part of an animal behind the chest. 3. the lower surface or underside. 4. a vulnerable area; weak point. [1600–10]

Thesaurus

Noun	1.	underbelly - lower side; "the underbellies of clouds"bottom, underside, undersurface - the lower side of anything
	2.	underbelly - the soft belly or underside of an animal's bodyunderbodyabdomen, belly, stomach, venter - the region of the body of a vertebrate between the thorax and the pelvis
	3.	underbelly - the quality of being weak or unprotected; "the soft underbelly of the Axis"- Winston Churchillsoft spot, weak part, weak spot - a place of especial vulnerability

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