What is the meaning of à_la?

Alternative form of a la

a la

Used other than figuratively or idiomatically: see à, la.

a la, in the style or manner of (with a feminine singular adjective or a proper noun)

à la

à la

a la, in the style of, manner of

a la (in the style or manner of) [with nominative ‘what’]

à la

Source: wiktionary.org