#submersible

• Alvin — A masculine given name of Old Germanic origin, structurally meaning 'noble friend', 'friend of the elfs', or 'wise protector'; also, in international ichthyology and marine biology, the term denotes a newly hatched fish larva or fry that draws nutrients from its yolk sac. Capitalized, it also represents the name of a famous deep-sea research submersible.