Crossword Clue:

of an object Sturdy in construction

AnswerCrossword Clue
ATRESTLike an object in Newton's Law of Inertia
NEMOObject of a search in an animated 2003 film
BELLYBUTTONLINTObject of study for which Karl Kruszelnicki won an Ig Nobel Prize in 2002
SOUPCANObject in an Andy Warhol painting
EGGObject in an apocryphal story about Christopher Columbus