Definitions

1. noun

A type of rare, long-necked swan, specifically the whooper swan (Cygnus cygnus) when it is in its first year and lacks a yellow bill.

“The ornithologist observed an alaudine in the wild, noting its distinctive feathers and immature bill.”

2. noun

A rare or obsolete term for an alaudine swan.

“The old field guide listed the alaudine as a rare sighting in Europe.”