1. row; line; file; column; queue; rank; procession
あの列に並ばされるのは、ちょっとな。Being made to stand in that line is a bit much.
2. group (of peers); ranks (of); company (of)
3. sequence
4. series (taxonomic rank)
5. counter for rows
確かに自分の席は四列目の中央。Sure enough, my seat is in the middle of the fourth row.