Merriam-Webster's Collegiate® Dictionary, 11th Edition
SECURE
I. adjective (securer; -est) see: suicide
Date: circa 1533
1. unwisely free from fear or distrust ; overconfident, easy in mind ; confident , assured in opinion or expectation ; having no doubt,
2. free from danger, free from risk of loss, affording safety , trustworthy , dependable , assured 1 , securely adverb secureness noun
II. verb (secured; securing)
Date: 1588
transitive verb
1. to relieve from exposure to danger ; act to make safe against adverse contingencies , to put beyond hazard of losing or of not receiving ; guarantee , to give pledge of payment to (a creditor) or of (an obligation) ,
2. to take (a person) into custody ; hold fast ; pinion , to make fast ,
3. to get secure usually lasting possession or control of , bring about , effect , to release (naval personnel) from work or duty, intransitive verb to stop work ; go off duty, to tie up ; berth , see: ensure securer noun