He plans to 'thin' (out) the young carrots in the garden. [=to remove some of them so that there is more room between the remaining carrots]
His hair is a little 'thin' on top. = He's a little 'thin' on top. [=he does not have a lot of hair on the top of his head]
The bank's decision to raise rates could be 'the thin end of the wedge'. [=many other banks may also decide to raise rates]
(..) As you get closer and closer and closer, You're undergoing a process we call "spaghettification" Because you're basically turned into a long, thin tube of pasta. Narrator: Gravity would stretch our robotic probe to the limit, Then rip it apart. But imagine if the probe was strong enough (..)2010 TvShow: How the Universe Works Title: Black Holes Season: 1 Episode 2