noun
small table; side table; occasional table
A small table used for placing things on, such as in an entryway or living room. Not a large dining table.
玄関に物置台を置いて、鍵を置く場所にしている。
I put a small table in the entryway and use it as a place to put my keys.
台 is a stand or platform, while 物置台 emphasizes its function as a small table for putting things on.
Compound of 物 (もの, thing) + 置き (おき, placing) + 台 (だい, stand/table).