shallow river; river shallows
Refers to a shallow part of a river or a river shallow enough to cross. In modern everyday Japanese, 浅瀬 is usually the more transparent word; 高瀬 can sound literary, regional, or place-name-like.
In summer, you can walk across the river shallows.
瀬 is the broader word covering shallows, currents, or rapids in a river, whereas 高瀬 specifically denotes a shallow stretch.
flatboat; traditional Japanese flat-bottomed boat
Attested kanji form. The kana たかせ is the reading, but no separate kana-only spelling is added because No practical kana written variant is indicated.
The spelling combines 高, associated with height or a raised level, and 瀬, a shallow or current in a river. This component explanation matches the written form, but the exact historical derivation is not asserted here.