AUXILIARY a. 3 definitions
Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops. Auxiliary scales (Mus.), the scales of relative or attendant keys. See under Attendant, a. -- Auxiliary verbs (Gram.). See Auxiliary, n., 3.
BACK n.
, players stationed behind those in the front line. -- To be or lie on one's back, to be helpless. -- To put, or get, one's back up, to assume an attitude of obstinate resistance (from the action of a cat when attacked.). [Colloq.] -- To see the back of, to get rid of. -- To turn the back, to go away; to flee. -- T…
BALLAST n.
Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security. It [piety] is the right ballast of prosperity. Barrow. Ballast engine, a steam engine used in excavating and for digging and raising stones and gravel for ballast. -- Ship in ballast, a ship carring only ballast.