'Steerable' definitions:

Definition of 'steerable'

(from WordNet)
adjective
Capable of being steered or directed [syn: steerable, dirigible]

Definition of 'Steerable'

From: GCIDE
  • Steerable \Steer"a*ble\ (-[.a]*b'l), a. Capable of being steered; dirigible. [1913 Webster]