1.Definition: a car driven by a person whose job is to take passengers where they want to go in exchange for money

Related Noun(s):cab, taxi, taxicab

Category: Objects

2.Definition: a horse kept for hire

Category: Animals

3.Definition: a mediocre and disdained writer

Related Noun(s):hack writer, literary hack

Category: People

4.Definition: a politician who belongs to a small clique that controls a political party for private rather than public ends

Related Noun(s):machine politician, political hack

Category: People

5.Definition: a saddle horse used for transportation rather than sport etc.

Category: Animals

6.Definition: a tool (as a hoe or pick or mattock) used for breaking up the surface of the soil

Category: Objects

7.Definition: an old or over-worked horse

Related Noun(s):jade, nag, plug

Category: Animals

8.Definition: one who works hard at boring tasks

Related Noun(s):drudge, hacker

Category: People