a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
source: WordNet 3.0
the smallest whole number or a numeral representing this number
He has the one but will need a two and three to go with it. They had lunch at one.
source: WordNet 3.0
the 9th letter of the Roman alphabet
source: WordNet 3.0
preposition
See Y- .
source: Webster 1913
pronoun
The nominative case of the pronoun of the first person; the word with which a speaker or writer denotes himself.
