HOWDY
hello, hullo, hi, howdy, how-do-you-do
(noun) an expression of greeting; “every morning they exchanged polite hellos”
Source: WordNet® 3.1
Etymology
Shortened form of "how d'ye do" (i.e. how do you do) or less commonly "how do you fare?".
Interjection
howdy
(informal) An informal greeting.
Noun
howdy (plural howdies)
(Scotland) A wife, a midwife.
Verb
howdy (third-person singular simple present howdies, present participle howdying, simple past and past participle howdied)
(transitive) To greet informally, especially by saying "howdy"
Source: Wiktionary
How"dy, n. Etym: [Scot., also houdy- wife. Of uncertain origin; cf.
OSw. jordgumma; or perh. fr. E. how d'ye.]
Definition: A midwife. [Prov. Eng.]
Source: Webster’s Unabridged Dictionary 1913 Edition