1.Definition: existing in name only

"The nominal (or titular) head of his party"

Related Adjective(s):titular

2.Definition: insignificantly small; a matter of form only (`tokenish' is informal)

"The fee was nominal"

Related Adjective(s):token, tokenish

3.Definition: named; bearing the name of a specific person

Related Adjective(s):nominative

4.Definition: of, relating to, or characteristic of an amount that is not adjusted for inflation

"The nominal GDP", "Nominal interest rates"

5.Definition: pertaining to a noun or to a word group that functions as a noun

"Nominal phrase"

6.Definition: relating to or constituting or bearing or giving a name

"The Russian system of nominal brevity", "A nominal lists of priests", "Taxable males as revealed by the nominal rolls"