in single file

*in (a) single file

Fig. lined up, one behind the other; in a line, one person or one thing wide. (*Typically: be ~; get [into] ~; march ~; walk ~.) Have you ever seen ducks walking in single file? Please get into single file. Please march in single file.

Common Names:

Name	Pronounced	Usage
Nedelcho	-	Bulgarian
Porcia	-	Ancient Roman
Klasina	klah-SEE-nah	Dutch
Aghavni	-	Armenian
Marietta	[mɛəri'etə]
Aputsiaq	-	Native American, Greenlandic