siredon (plural siredons)
- (zoology) The larval form of any salamander while it still has external gills, especially one of those which, like the axolotl, sometimes lay eggs while in this larval state, but which under more favourable conditions lose their gills and become normal salamanders.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for siredon in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)