Definition

1. Noun:
   • A specific, extinct species of flightless bird: The term "giant moa" refers to Dinornis, the largest genus within the moa family. These birds were endemic to New Zealand and are notable for their extreme height, which could reach approximately 12 feet (about 3.6 meters).

Usage

• The term "giant moa" is used as a singular, countable noun to refer to an individual bird or the species as a whole. It is typically used in historical, paleontological, or zoological contexts.

Examples

• Noun:
  • Fossil evidence suggests the giant moa was the tallest bird to have ever existed.
  • The extinction of the giant moa occurred within a few centuries after human arrival in New Zealand.

Advanced Usage

• "giant moa" in scientific classification: The term is often used synonymously with the genus name in non-technical writing.
  • The study compared the leg bones of the giant moa (Dinornis robustus) to other ratites.

Variants and Related Words

• Moa (noun): The common name for all extinct, flightless birds in the order Dinornithiformes, which includes several species smaller than the giant moa.
• Dinornis (noun): The scientific genus name for the giant moa.

Synonyms

• Dinornis: The formal scientific synonym.
• Giant flightless bird: A descriptive synonym, though less specific.

Notes on Meaning

• The "giant moa" is distinguished from other moa species primarily by its exceptional size. The reference to "about 12 feet high" is a key defining characteristic. It does not refer to a living animal or a mythical creature, but to a specific, historically real species.

Noun

1. the largest moa; about 12 feet high