| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
epiglottis ep·i·glot·tis (ěp'ĭ-glŏt'ĭs)
n. pl. ep·i·glot·tis·es or ep·i·glot·ti·des (-glŏt'ĭ-dēz')
The thin elastic cartilaginous structure located at the root of the tongue that folds over the glottis to prevent food and liquid from entering the trachea during the act of swallowing.
| epiglottis (ěp'ĭ-glŏt'ĭs) Pronunciation Key
A thin, triangular plate of cartilage at the base of the tongue that covers the glottis during swallowing to keep food from entering the trachea. |