(sā) v. said, say·ing v.t.
1. To pronounce or utter; speak.
2. To declare or express in words; tell; state.
3. To state positively or as an opinion: Say which you prefer.
4. To recite; repeat: to say one's prayers.
5. To report; allege.
6. To assume as possibly true or as a hypothesis: He is worth, say, a million.
—v.i.
7. To make a statement; speak.
—that is to say In other words.
—noun
1. What one has said or has to say; testimony; word: Let him have his say.
2. Colloq. Right or turn to speak or choose: Now it is my say.
3. Authority: to have the say.
—interj. U.S. Colloq. A hail or an introductory exclamation to command attention: also Brit. I say! Compare LISTEN. [OE secgan]
—say′er noun Synonyms (verb): allege, assert, speak.

(sa) noun
A fine, thin serge used in the 16th century, sometimes partly of silk, later entirely of wool. [<OF saie <L saga, plural of sagum a military cloak]

(sā), Thomas,
1787–1834, U.S. zoologist.