(bridge building) A conical nut applied temporarily to the threaded end of a pin, to protect the thread and guide the pin when it is driven into a hole.

A kind of boat used to transport pilots between land and the inbound or outbound ships that they are piloting.

(meteorology) A dust devil; a whirling, columnar vortex of sand occasionally seen in desert regions.

A genetic follicular condition causing rough reddish bumps on the skin.

(slang) Synonym of party pill

plural of pig pile

Third-person singular simple present indicative form of pig pile

(US colloquial, transitive) To cause a group of people to lie in a pile upon another, originally as a punishment to the victim on the bottom.

(US, colloquial) A disorderly pile of people formed by jumping upon a victim.

plural of pilot balloon