xocotl.

Headword: 
xocotl.
Principal English Translation: 

hog plum; a sour fruit; or, fruit in general
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 241.

Orthographic Variants: 
xucotl
IPAspelling: 
ʃokotɬ
Alonso de Molina: 

xocotl. fruta.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 160v. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

XOCO-TL fruit, plum / fruta (M), ciruela (X) This appears to be used as a more generic term for fruit, while XOCOTE-TL is specifically ‘plum.’ Most derivations from XOCO-TL have to do with sourness, unripeness, or immaturity.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 329.

Attestations from sources in English: 

no vmpa via y teteu ynan, yoã conxuchimacaya y xucutl, ioã = Teteoinnan also went there and offered flowers to the xocotl.
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 61.

alahuerta yn onca onoc xocoquauhzintli = the orchard where there are fruit trees (San Bartolomé Atenco, 1617)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 3, 60–61.

xucotzintli membrilo cempatli yhuan tzapuquahuitl yey = fruit trees, a row of quince, and three zapote trees (Coyoacan, 1621)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 19, 112–113.

in ma iuhqui xocotl uel oicucic: niman oaluetzi = It is precisely like fruit that has ripened and then falls to the ground.
Thelma D. Sullivan, "Nahuatl Proverbs, Conundrums, and Metaphors, Collected by Sahagún," Estudios de Cultura Náhuatl 4 (1963), 98–99.

Attestations from sources in Spanish: 

xocotl = fruto en general
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana (Mexico: Siglo XXI, 1988), xxxvi.

themes: 
Food, Eating, Cooking
Plants, Trees, Flora