THECA • FREE TRANSLATOR.ORG • Definition of Theca

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noun

Theca n. (pl. thecae)

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.

(Zool.)

(a)

The chitinous cup which protects the hydranths of certain hydroids.

(b)

The more or less cuplike calicle of a coral.

(c)

The wall forming a calicle of a coral.

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Etymology of 'Theca'

Collaborative International Dictionary of English 0.48

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"Theca" Quotes from Famous Books

... were kept in one of these rooms, but how they were arranged. After the contents of the presses in the church, which contained chiefly service-books, we come to the "common press in the cloister (commune almarium claustri)." On the shelf over the door (in suprema theca[182] supra ostium) were four psalters. The framer of the catalogue then passes to the opposite end of the room, and, beginning with the top shelf (suprema theca opposita), enumerates 37 volumes. Next, he deals with the rest of the books, which, he tells us, were in other shelves, ...

— The Care of Books • John Willis Clark