STUMPERS CDXXVIII

Can you think of a two-syllable, seven-letter word that can be parsed as follows:

1. The first three letters name an animal, and the last four name a part of an animal.

2. The first four letters are word meaning "brief" and the last three mean to be under the weather.

Answer:

The word is CURTAIL:

CUR   TAIL

CURT   AIL