spicule
n. முட்கம்பி, படிகச் சிம்பு, ஊசிமுள், முள்முனைப்பு, (தாவ.) குலைக்கதிர், (வில.) உடலின் கதிர்முட் பகுதி, கடற்பாசியின் கம்பிமுட் கூறு.
Spic"ule, n. Etym: [L. spiculum a little point, a dart.] 1. A minute, slender granule, or point. 2. (Bot.) Defn: Same as Spicula. 3. (Zoöl.) Defn: Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria. Note: Spicules vary exceedingly in size and shape, and some of those found in siliceous sponges are very complex in structure and elegant in form. They are of great use in classification. Description of the Illustration: a Acerate; b Tricurvate, or Bowshaped; c d Hamate; e Broomshaped; f Scepterellate; g Spinispirulate; h Inequi-anchorate; i Sexradiate; j A Trichite Sheaf; k Six-rayed Capitate; l Rosette of Esperia; m Equi- anchorate.