How do you spell Theca
Available Definitions:
1) n. - A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.
2) n. - The chitinous cup which protects the hydranths of certain hydroids.
3) n. - The more or less cuplike calicle of a coral.
4) n. - The wall forming a calicle of a coral.
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