a city in the W Russian Federation in Europe, S of Moscow.
noun 1. a marine polychaete worm of the family Serpulidae, which constructs and lives in a calcareous tube attached to stones or seaweed and has a crown of ciliated tentacles
noun (pl) -rae (-riː) 1. (zoology) a sawlike part or organ
[ser-ah dah i-shtre-lah] /ˈsɛr ɑ dɑ ɪˈʃtrɛ lɑ/ noun 1. a mountain range in N central Portugal. Highest peak, Malhão da Estrela, 6532 feet (1991 meters).
[se-rah dah mahn-ti-key-rah] /ˈsɛ rɑ dɑ ˌmɑ̃ tɪˈkeɪ rɑ/ noun 1. a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).