English Reference

Word

conch

US/ˈkɑntʃ/

UK/kˈɒntʃ/

Definition

n. 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.

n. 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.”

Examples

simple

“The sailor used a conch to call his friends.”

contextual

“The architect chose a conch design for the ceiling to give the room a natural, flowing look.”

complex

“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.”

Real-World Examples

“Today’s mollusks include fanlike scallops, spiny conchs and spiraled nautiluses.”
Smithsonian Magazine · 28 Aug 2026

Etymology

From Latin concha, from Ancient Greek κόγχη (kónkhē). Doublet of concha.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Architecture

This entry

Level
C2 · Proficiency
Frequency
Occasional
Updated

Scan code

englishreference.com/q/conch

English Reference