Exclaim, v. t.& i. [imp. & p. p. Exclaimed;p. pr. & vb. n. Exclaiming.]
Etymology: [L. exclamare, exclamatum; ex + clamare to cry out; cf. OF. exclamer. See Clam.]
To cry out from earnestness or passion; to utter with vehemence; to call out or declare loudly; to protest vehemently; to vociferate; to shout; as, to exclaim against oppression with wonder or astonishment; "The field is won!" he exclaimed.
1 other Webster entry under this spelling
Exclaim, n.
Outcry; clamor. [Archaic] Cursing cries and deep exclaims. Shak.
Shades of meaning
Fernald has no entry of its own for exclaim; he lists it under call.
Where he writes about it:
To shout is to call or exclaim with the fullest volume of sustained voice; to scream is to utter a shriller cry; to shriek or to yell refers to that which is louder and wilder still. — from call
In exclaiming, the utterance may not be strikingly, tho somewhat, above the ordinary tone and pitch; we may exclaim by mere interjections, or by connected words, but always by some articulate utterance. — from call
One may exclaim, cry out, or ejaculate with no thought of others' presence; when he calls, it is to attract another's attention. — from call