Sister

1. v. t. To be sister to; to resemble closely.
2. n. A female who has the same parents with another person, or who has one of them only. In the latter case, she is more definitely called a half sister. The correlative of brother.
3. n. A woman who is closely allied to, or assocciated with, another person, as in the sdame faith, society, order, or community.
4. n. One of the same kind, or of the same condition; — generally used adjectively; as, sister fruits.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.