What does "tailor" mean?

Additional senses

1. 2.(Zoöl.) The goldfish. [Prov. Eng.] Salt-water tailor (Zoöl.), the bluefish. [Local, U.S.] Bartlett. -- Tailor bird (Zoöl.), any one of numerous species of small Asiatic and East Indian singing birds belonging to Orthotomus, Prinia, and allied genera. They are noted for the skill with which they sew leaves together to form nests. The common Indian species are O. longicauda, which has the back, scapulars, and upper tail coverts yellowish green, and the under parts white; and the golden-headed tailor bird (O. coronatus), which has the top of the head golden yellow and the back and wings pale olive-green.
2. 3.To practice making men's clothes; to follow the business of a tailor. These tailoring artists for our lays Invent cramped rules. M. Green.