second-line adjective 3second line noun 2forms 1 adjective3 •Of second resort. •Of mediocre quality or peripheral importance. •At the next-to-lowest supervisory level. second line noun2 •The second battle line used to support the front line. •The group of dancers, musicians, performers, etc. who are the second part of a traditional New Orleans parade, originally only for funerals but more recently as part of any celebration. formssecond lines
