Molecular function

Combining with a laminin, a glycoprotein that constitutes the majority of proteins in the basement membrane, to initiate a change in cell activity.

Note that this term represents an activity and not a gene product. Consider also annotating to the molecular function terms 'cell adhesion molecule binding ; GO:0050839' and 'receptor binding ; GO:0005102' and the biological process term 'cell adhesion ; GO:0007155'.