ich

n. a common disease in pet fish that looks like small white spots on their skin.

n. a parasitic infection of freshwater fish caused by the ciliate Ichthyophthirius multifiliis, commonly known as white spot disease.

“He had to treat the aquarium because one of the goldfish had ich.”

“The rapid spread of ich within the closed system necessitated an immediate increase in water temperature and the application of copper-based treatments.”

Technical

n. a name for the 'ego' or the part of your mind that thinks of itself as 'I'.

n. a literal transcription of Freud's German term for the ego, representing the conscious part of the psyche.

“Some scholars prefer to use the term Ich instead of ego when discussing Freud.”

“The translator argued that using the original German term Ich preserved the directness of Freud's prose better than the Latinate 'ego'.”

Academic · Formal

pron. an old way of saying 'I' that is no longer used.

pron. an obsolete first-person singular nominative pronoun.

“In very old English stories, you might see the word ich instead of I.”

“The philologist noted the transition from the Middle English ich to the modern I in the regional manuscripts.”

Archaic