a Triton's trumpet (Charonia tritonis) shell used in ancient times as a horn to signal troop movements

an aquatic shellfish (generally limited to mollusks with calcareous shells such as clams or snails, and excluding crustaceans such as shrimp or crabs)

beautiful

(archaic) beautiful

time / an event, case, occasion, moment; a specific period in time / a time of something / a season / a tense / (literary) the time during which a narrative takes place

to be astonished, surprised, amazed, startled

to get a big surprise; to be astonished

lo and behold

for the first time, first

(dialectal) for the first time