row 1 
(rō)
(rō)n.
1. A series of objects placed next to each other, usually in a straight line.
2. A succession without a break or gap in time: won the title for three years in a row.
3. A line of adjacent seats, as in a theater, auditorium, or classroom.
4. A continuous line of buildings along a street.
tr.v. rowed, row·ing, rows
Idiom: To place in a row.
a tough row to hoe Informal
A difficult situation to endure.
[Middle English, from Old English rāw.]