1) age, time of life
1a) age, term or length of life
1b) adult age, maturity
1c) suitable age for anything
1d) metaphorically of an attained state fit for a thing
2) stature, i.e in height and comeliness of stature
Part of Speech: noun feminine
Citing in TDNT: 2:941, 308
From the same as G2245; maturity (in years or size): - age, stature.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἡλικία; click on the second column to search for that grammatical form of the root ἡλικία; click on the third column to search for that word and grammatical form; click on the total to search for the root ἡλικία.