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tusk shell

tusk shell

9.9
A small sea animal with a long tube-shaped shell open at both ends
  • noun
  • /tʌsk ʃɛl/
  • Specialized
translation icon : dentalium
  • The distinctive tubular shape of the tusk shell makes it easy to identify.

Examples

  • The tusk shell burrows into sandy seabeds using its spade-like foot.

  • Scientists collected several tusk shells for their marine biology study.

  • The tusk shell is often found on sandy beaches.

  • Many marine biologists study the tusk shell for its unique structure.

  • The distinctive tubular shape of the tusk shell makes it easy to identify in marine environments.

  • Scientists collected several tusk shells to analyze their structure and habitat preferences.

  • The tusk shell burrows into sandy seabeds, allowing it to feed on tiny particles.

Synonyms

scaphopod
vstusk shell
  • Specialized
9.9

A sea animal with a long tube-shaped shell like a tusk that burrows in sand

is described as an individual mollusk belonging to that class with tapered shell
dentalium
vstusk shell
  • Specialized
9.9

A small sea animal with a long, curved tube-shaped shell

is the formal description noting membership in the scientific class
tooth shell
vstusk shell
  • Specialized
9.9

A sea animal that has a long thin shell open at both ends and a foot for digging in sand

emphasizes shell shape and class rather than burrowing foot

Surface Forms

tusk shell singular
tusk shells plural

Morphology

tusk + shell

The compound is directly compositional: a 'tusk shell' is a shell that resembles a tusk (long, tapered, tubular), so a learner who knows 'tusk' and 'shell' can infer the shape and likely referent. Although it's a specialized zoological name, the noun+noun formation follows normal English patterns and is predictable from the parts.

Etymology

Tusk shell gets its name from the long, thin shell that looks like a tusk, a big animal 'tooth'. So the name simply describes the small sea animal with a tooth-like shell.