Search Result for "altern": 
perl: warning: Please check that your locale settings:
	LANGUAGE = (unset),
	LC_ALL = (unset),
	LC_TIME = "tr_TR.UTF-8",
	LC_MONETARY = "tr_TR.UTF-8",
	LC_ADDRESS = "tr_TR.UTF-8",
	LC_TELEPHONE = "tr_TR.UTF-8",
	LC_NAME = "tr_TR.UTF-8",
	LC_MEASUREMENT = "tr_TR.UTF-8",
	LC_IDENTIFICATION = "tr_TR.UTF-8",
	LC_NUMERIC = "tr_TR.UTF-8",
	LC_PAPER = "tr_TR.UTF-8",
	LANG = "C"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
1 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Altern \Al"tern\, a. [L. alternus, fr. alter another: cf. F. alterne.] Acting by turns; alternate. --Milton. [1913 Webster] Altern base (Trig.), a second side made base, in distinction from a side previously regarded as base. [1913 Webster]