Siva

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Hinduism Variant of Shiva.

Century Dictionary and Cyclopedia

1. n. In later Hindu myth., the name of a god of highest rank, supreme god in the opinion of his sectaries, but also combined with Brahma and Vishnu in a triad, in which he represents the principle of destruction. One of his principal emblems is the lingam or phallus, symbolical of creation which follows destruction; and he is represented with symbols of cruelty and carnage.
2. n. In ornithology, a genus of Asiatic birds, such as S. cyanuroptera, S. strigula, and S. castaneicauda: so named by Hodgson in 1838, and also called by him Hemiparus (1841) and Ioropus (1844). The species inhabit the Himalayan regions, and southward in Assam and Burma to Tenasserim. The genus is one of many which have been located in “families” conventionally called Ægithinidæ, Liotrichidæ, and Timeliidæ.

Wiktionary

1. n. The Hindu God of Destruction.

GNU Webster's 1913

1. n. (Hindoo Myth.) One of the triad of Hindoo gods. He is the avenger or destroyer, and in modern worship symbolizes the reproductive power of nature.

WordNet 3.0

1. n. the destroyer; one of the three major divinities in the later Hindu pantheon