Hox gene 
(hŏks)
(hŏks)n.
Any of a group of homeobox genes that exist as clusters in animals, especially in vertebrates, and determine the identity and locations of body parts along the anterior-posterior body axis in a developing fetus or larva.
[From H(OMEOB)OX.]
- William Thomson.
- William Trevor Cox.
- William Turner
- William Vacanarat Shadrach
- (William) Wilkie
- William Worrall
- Willie
- willie
- Willie Howard, Jr.
- Willie Pete
- willies
- willing
- willingly
- willingness
- Willis-Ekbom disease
- williwaw
- Will Keith
- will-o'-the-wisp
- willow
- willow herb
- willow oak
- willow ptarmigan
- willowware
- willowy
- willpower