i Register
In some senses, martlet is marked as obsolete. Watch for register when choosing this word.
noun
A bird, the martin.
“As in a drought the thirsty creatures cry, And gape upon the gather'd clouds for rain; Then, first, the Martlet meets it in the sky, And, with wet wings, joys all the feather'd train.”
A depiction of a bird similar to a house martin or swallow with stylized feet.