[ verb ] turn on or around an axis or a center
"The Earth revolves around the Sun" "The lamb roast rotates on a spit over the fire"
Used in print(R. P. Jerrard, "Inscribed squares in plane curves"...)
If the vertex is at **f , and if the interior of C is on the left as one moves in the direction of increasing t , then every such corner can be found from the curve obtained by rotating C clockwise through 90 ` about the vertex .
But **f is just the curve **f translated without rotation through a small arc , for **f is always obtained by rotating C through exactly 90 ` .(Philip Jos‚ Farmer, The Lovers....)
Hal knew that when that side of Earth rotated into the night zone , Sigmen_City would blaze_out into space .
[ verb ] exchange on a regular basis
"We rotate the lead soprano every night"
Used in print(Allen R. Bosworth, The Crows of Edwina Hill....)
Ships from the West_Coast rotated on six-month tours_of_duty with the Seventh_Fleet , and Yokosuka was the Seventh_Fleet 's principal port for maintenance , upkeep and shore liberty .
[ verb ] (work) perform a job or duty on a rotating basis
"Interns have to rotate for a few months"
Used in print(The Family Fallout Shelter. Office of Civil and Defence...)
There should be a task for everyone and these tasks should be rotated .
[ verb ] plant or grow in a fixed cyclic order of succession
"We rotate the crops so as to maximize the use of the soil"