|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|the offspring of a zebra and a donkey.|
|—n , pl -texes, -tices|
|1.||the highest point|
|a. the point opposite the base of a figure|
|b. the point of intersection of two sides of a plane figure or angle|
|c. the point of intersection of a pencil of lines or three or more planes of a solid figure|
|3.||astronomy a point in the sky towards which a star stream appears to move|
|4.||anatomy the crown of the head|
|[C16: from Latin: highest point, from vertere to turn]|
vertex ver·tex (vûr'těks')
n. pl. ver·tex·es or ver·ti·ces (-tĭ-sēz')
The highest point; the apex.
The topmost point of the vault of the skull; the crown of the head.
The portion of the fetal head bounded by the planes of the trachelobregmatic and biparietal diameters, with the posterior fontanel at the apex.
|vertex (vûr'těks') Pronunciation Key
Plural vertices (vûr'tĭ-sēz') or vertexes