# conch

/ˈkɑntʃ/ (US) · /kˈɒntʃ/ (UK) · CEFR C2 · Noun

Source: https://englishreference.com/word/conch
Updated: 2026-05-26

## Definition

a large, spiral-shaped sea shell that people use as a horn or a decoration. In architecture, it describes a curved shape that looks like a shell.

For teachers: a large, spiral-shaped marine mollusk or its shell, often used as a musical instrument or decorative object. In architectural contexts, it refers to a curved, shell-like form or a specific type of column capital.

## Examples

- The sailor used a conch to call his friends.
- The architect chose a conch design for the ceiling to give the room a natural, flowing look.
- While the conch is primarily known for its use in maritime signaling, its intricate spiral structure has inspired countless architectural motifs, particularly in the design of domes and vaulted ceilings.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.