BALANCER
halter, haltere, balancer
(noun) either of the rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight
balancer
(noun) an acrobat who balances himself in difficult positions
Source: WordNet® 3.1
Etymology
Noun
balancer (plural balancers)
one who, or that which, balances
an acrobat
any of the rear wings of certain insects used for stability in flight
Anagrams
• barnacle
Source: Wiktionary
Bal"an*cer, n.
1. One who balances, or uses a balance.
2. (Zoöl.)
Definition: In Diptera, the rudimentary posterior wing.
Source: Webster’s Unabridged Dictionary 1913 Edition