1. Northern.

2. Pertaining to the north or the north wind. See Boreas.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• aborral,
• bream,
• bordcall,
• bomare,
• boreax,
• bireal,
• borreal,
• borel,
• coreal,
• boreel,
• boaral,
• borere,
• boril,
• boiea,
• ooread,
• rorqal,
• tordal,
• bohea,
• borale,
• boredar

• bore-hole,
• coral,
• barely,
• borello,
• bureau,
• bored,
• borrelli,
• bores,
• Borel,
• barrel,
• break,
• corral,
• real,
• for real,
• cereal,
• bowel,
• oral,
• borelli,
• bread,
• burial,
• broil,
• borrelia,
• moral,
• bore.

The adjective form of the word "boreal" is "boreal".

The plural form of the word "boreal" is "boreals".

The singular form of the word "boreal" is "borealis"