To "take the seat" means to occupy or claim a particular position or role, often in a formal setting or organization.
Sentences with «to take the seat»
It's heavy but I don't take the seat in and out... so it works fine for me. (albeebaby.com)
When considering taking a seat at the table, remember to go back to number one on this list: learn about your colleagues. (edutopia.org)
Typically, they don't take a seat on the startup's board; they take a small stake in the firm and hand over their funds in weeks rather than months. (fastcompany.com)