Standard Lemma guide

seiche

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /seɪʃ/
  • US: /seɪʃ/
  • US: /sit͡ʃ/
  • US: Recorded audio is listed in the source snapshot.
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃ

1

noun

Meaning 1

A short-term standing wave oscillation of the water level in a lake, or other confined body of water such as a fjord, characteristic of its geometry.

Definition source: English Wiktionary via Wiktextract

Topics: geography, hydrology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a wave on the surface of a lake or landlocked bay; caused by atmospheric or seismic disturbances

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: wave, undulation

History

Etymology

From Swiss French seiche, perhaps from German Seiche (“sinking”).

Across languages

Translations

11 source translations are retained for this English entry.

  • Catalan: seixa — standing wave in a lake
  • Faroese: rennisjógvur — standing wave in a lake
  • Finnish: seiche-ilmiö — standing wave in a lake
  • German: Seiche — standing wave in a lake
  • Hungarian: tólengés — standing wave in a lake
  • Italian: secca — standing wave in a lake
  • Japanese: 静振 (seishin) — standing wave in a lake
  • Russian: сейш (sejš) — standing wave in a lake
  • Russian: сейша (sejša) — standing wave in a lake
  • Welsh: dygyfor llyn — standing wave in a lake
  • Welsh: ymchwydd llyn — standing wave in a lake