# Hatschek's pit

> English word · Noun

## Definitions
1. A deep ciliated fossa on the dorsal midline of the buccal cavity in lancelets.

## Etymology
Named for its discoverer, Berthold Hatschek (1854–1941).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hatschek-s-pit