prosodic word, phonological word.
A preposition or adverb that no longer performs a prepositional or adverbial function including particles in phrasal verbs, quasi-modal verbs, and determiner phrases and infinitive markers.
Any taboo word starting with p, e.g. piss, penis, pussy, prick, pajeet, or Paki.
To move up and down or in and out like a piston.
A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
A valve device in some brass instruments for changing the pitch