1.Definition: a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey

Category: General

2.Definition: a serve that the receiver is unable to reach

Category: General

3.Definition: one of four playing cards in a deck having a single pip on its face

Category: Objects

4.Definition: proteolytic enzyme that converts angiotensin I into angiotensin II

Category: General

5.Definition: someone who is dazzlingly skilled in any field

Related Noun(s):adept, champion, genius, hotshot, maven, mavin, sensation, star, superstar, virtuoso, whiz, whizz, wiz, wizard

Category: People

6.Definition: the smallest whole number or a numeral representing this number

Related Noun(s):one, unity

Category: General