Challenger

From challenger.

• (Received Pronunciation) IPA^(key): /ˈt͡ʃælɪn(d)ʒə/

• Audio (Southern England):

  (file)

• (General American) IPA^(key): /ˈt͡ʃælənd͡ʒəɹ/
• Hyphenation: Chal‧leng‧er

Challenger

1. A space shuttle, named after HMS Challenger (1858), destroyed on January 28, 1986 with loss of its seven-member crew.

Challenger (plural Challengers)

1. (rail transport) A steam locomotive of the 4-6-6-4 wheel arrangement.
   • 1959, David P. Morgan, editor, Steam’s Finest Hour, Kalmbach Publishing Co., page 102:

     American Locomotive Company, which introduced the 4-6-6-4 (on Union Pacific) in 1936, constructed more Challengers than any other builder and, in Northern Pacific's Z-8 class, built the heaviest. NP owned 48 4-6-6-4's in three classes.

2. (tennis, also attributive) Alternative letter-case form of challenger (“a match, tournament, or tour of the second-highest tier organized by the Association of Tennis Professionals”).

• 4-6-6-4 on Wikipedia.Wikipedia
• Space Shuttle Challenger on Wikipedia.Wikipedia