the world > animals > animal body > general parts > [noun] > prehensile organ
pincer1658
holder1774
pincer-leg1909
1909 Daily Chron. 20 Aug. 4/4 Note the disparity in the size of the two large pincer-legs.
2002 Daily News (N.Y.) (Nexis) 12 May 3 It lumbers around the arena trying to stab its prey with the pointy tips of its pincer legs, upon which it must also balance.