Acontia

1. n. pl. Threadlike defensive organs, composed largely of nettling cells (cnidae), thrown out of the mouth or special pores of certain Actiniae when irritated.

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.