| 释义 |
triæne Zool.|traɪˈiːn, ˈtraɪiːn|
[ad. Gr. τρίαινα trident.]
A kind of sponge-spicule.
Variously described as ‘a rhabdus having at one end three prongs or ‘cladi’ diverging at equal angles’, and ‘a tetraxon spicule with 1 long and 3 equal shorter tangential rays’.
1887Sollas in Encycl. Brit. XXII. 417/1 (Sponges) A particular case of the cladose rhabdus,..of the most frequent occurrence, is the triæne.
Hence triænostrongyle |traɪiːnəʊˈstrɒndʒɪl| [Gr. στρογγύλος rounded], a triæne in which the main arm is blunt at the end; triˈænostyle |-staɪl| [Gr. στῦλος pillar, style], one in which it is sharp; triˈænotyle |-taɪl| [Gr. τύλη cushion], one in which it is blunt and rounded.
1909in Cent. Dict. Supp. |