'cot' and 'camp bed' In American English, a cot is a narrow bed for an adult. It is made of canvas fitted over a frame, and you can fold it up. You take it with you when you go camping, or you use it as a spare bed at home. In British English, a bed like this is called a camp bed.
Across is a preposition. It describes the relationship between two persons, places, or things. It is sometimes used with the preposition from. Example: That house is across the street. Cross is most commonly a verb or noun. Crossed is the past tense or past participle of the verb to cross.
2. on or to the other side of; beyond: across the sea. 3. into contact with; into the presence of, usu. by accident: to come across an old friend. 4. crosswise of or transversely to the length of something; athwart. 5. from one side to another. 6. on the other side: We'll soon be across. 7. crosswise; transversely.