to discover, to find (e.g. an error in a book) / to find (e.g. something missing)

to discover, to find (e.g. an error in a book); to find (e.g. something missing)

Alternative form of 見付ける

play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

waterside, shoreline

bank, shore, water's edge / (poetry, haiku, renga) a word or phrase related to water

kind of otter

a Steller sea lion, Eumetopias jubatus

(archaic, possibly obsolete) a Steller sea lion

(figuratively) being carefree and unaware of an imminent danger