on (also in) a rew: in a row or line. Obsolete.

In a line. Obsolete (archaic in later use).

colloquial. in a row: so as to form, or be in, a line. Also in extended use (of occurrences): in succession, consecutively.

In a line. archaic in later use.

in row: in line, in order. Now rare.

in (also †on, †upon) rows: in lines.

in course. In a row or series. Obsolete.

Consecutively, in succession (cf. in a row at row, n.1 phrases 1d). Obsolete.

†of a rank: in a line or file. Obsolete.