What is the meaning of Picken?

to peck (of a bird)

to pick (to grasp and pull with the fingers or fingernails)

to glue, to stick [with auf (+ accusative) ‘onto’] [auxiliary haben]

to adhere, to stick [with auf (+ dative) ‘to’] [auxiliary sein]

Alternative form of piken

definite singular of pick

Source: wiktionary.org