peculiar object

Then they saw a peculiar object jutting out of the ground.

Here, it’s a very peculiar object, too.

When the Westons arrived, the kindest looks of love, the strongest of admiration were for her, from both husband and wife; the son approached her with a cheerful eagerness which marked her as his peculiar object, and at dinner she found him seated by her—and, as she firmly believed, not without some dexterity on his side.

A virus is a peculiar object that is inert and arguably not truly alive outside a host.

In 2015, around the time the survey was winding down, Wright heard about a peculiar object that another astronomer, Tabetha Boyajian, was investigating.