| MEC | thick dark green mucoid material that is the first feces of a newborn child |
|---|---|
| MEC | herbs almost entirely of mountains of China and Tibet |
| MEC | Chinese perennial having mauve-pink to bright sky blue flowers in drooping cymes |
| MEC | widely cultivated west European plant with showy pale yellow flowers |
| MEC | an order of carnivorous insects usually having long membranous wings and long beaklike heads with chewing mouths at the tip |
| MEC | any of various carnivorous insects of the order Mecoptera |
| MEC | of or relating to mecopterans |