13-Letter Words Containing: A,C,E,E,H,O,S

• a board having 64 squares of two alternating colors

• green plant having a vascular system: ferns, gymnosperms, angiosperms

• the parturition process in human beings; having a baby; the process of giving birth to a child

• technical jargon from computing and other high-tech subjects

• Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord

• a student who attains higher standards than the IQ indicated

• a teacher in a school below the college level

• black-and-white shorebird with stout legs and bill; feed on oysters etc.