Theca

1.

(វេជ្ជសាស្ត្រ) ជាលិការាងដូចស្រោមកាំបិត

1.

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.

The chitinous cup which protects the hydranths of certain hydroids.

3.

The more or less cuplike calicle of a coral.

4.

The wall forming a calicle of a coral.