(poetic) The sea(s), the ocean(s).

(law) A group of patents in a field of technology which collectively impede a party from commercializing its own patents or products in that field.

plural of patent thicket

(sports, pathology) A sports injury causing chronic pain in the kneecap.

(now archaic) Arousing sympathy; pathetic. / Arising from strong emotion; passionate.

(computing) A query language for selecting nodes from an XML document, developed by the W3C.

A stonecutter's hammer with a head consisting of broad thin chisels clamped together.

plural of patent hammer

plural of patrol car

(computing) The part of a central processing unit that stores data to be immediately operated on and performs logic and arithmetic operations on it based on signals from the control unit.