honeycomb
US /ˈhʌn.i.koʊm/
UK /ˈhʌn.i.koʊm/

1.
2.
a material or structure with a cellular or hexagonal pattern, resembling a honeycomb.
:
•
The lightweight aircraft wing used a honeycomb structure for strength.
•
The architect designed the building with a distinctive honeycomb facade.