(adjective) : Cĕrĕālis (Cĕrĭālis; cf. Serv.ad Verg. A. 1, 177; so Cic. Att. 2, 12, 2 and 4 Orell.), e, Ceres.
* Pertaining to Ceres, devoted to her, and, meton., pertaining to the cultivation of land, grain, or agriculture: nemus,sacred to Ceres,Ov. M. 8, 741: sacrum,id. Am. 3, 10, 1: Eleusin,id. F. 4, 507; id. M. 7, 439 (cf. Mel. 2, 3, 4: Eleusin Cereri consecrata): papaver (as her symbolic attribute),Verg. G. 1, 212 Heyne; Col. 10, 314: cenae,i. e. splendid, like those at the festivals of Ceres,Plaut. Men. 1, 1, 25: sulci,Ov. Tr. 3, 12, 11: munera,id. M. 11, 121; 13, 639: dona,id. ib. 11, 122; id. F. 1, 683; 6, 391 (cf.: dona Cereris,id. M. 5, 655): herbae,id. F. 4, 911: libum,id. ib. 1, 127: semina,id. M. 1, 123: culmus,Verg. G. 2, 517: arma,i. e. the implements for grinding and baking,id. A. 1, 177: solum,i. e. the cake laid on the ground,id. ib. 7, 111 (cf. id. ib. v. 109): aediles, who had the superintendence of provisions; v. aedilis fin.—Hence
* Subst.: Cĕrĕālĭa, ium, n. (also in appos.: Cerealia ludi,Liv. 30, 39, 8; cf.: Megalesia ludi, al.), the festival of Ceres, celebrated on the 10th of April, Cic. Att. 2, 12, 2 and 4; Varr. L. L. 6, § 15 Müll.; Ov. F. 4, 619; cf. id. ib. 389 sq.
* A Roman cognomen, Mart. 4, 8; 12, 52.

Male Personal name
Confirmed occurences in the Roman Empire:

• ...al... Gran.... Grattius ... Geminius R... ... Valerius Granianus Grattius Cerealis ... Geminius Rector ...al... L. Valerius Galeria tribu Propinquus Granius ... Grattius Cerialis Geminius Restitutus (Masc, senator), ref: PIR G 0221 | PIR ID1106
• L. Cassius Cerealis (Masc), ref: AE 1983, 193 | PIR ID3711
• C. Cerealis (Masc, eques), ref: PIR C 0675 | PIR ID3915
• Pompeius Cerealis (Masc, eques), ref: PIR P 0599 | PIR ID10675
• Q. Pompeius Cerealis Felix (Masc, eques), ref: IRT 444 | PIR ID10676
• M. Valerius Propinquus Grattius Cerealis (Masc), ref: II 4251 | PIR ID13952
• L. Volusius Bassus Cerealis (Masc, senator), ref: AE 1986, 708 | PIR ID14665

s. TLL