that which hinders or impedes motion; hence, an encumbrance, restraint, or impediment, of any kind.-a weight, as a log or block of wood, attached to a man or an animal to hinder motion.-a shoe, or sandal, intended to protect the feet from wet, or to increase the apparent stature, and having, therefore, a very thick sole. cf. chopine.-to encumber or load, especially with something that impedes motion; to hamper.-to obstruct so as to hinder motion in or through; to choke up; as, to clog a tube or a channel.-to burden; to trammel; to embarrass; to perplex.-to become clogged; to become loaded or encumbered, as with extraneous matter.-to coalesce or adhere; to unite in a mass.