In an airline seat, the hips and pelvis rotate forward and the S curve flattens.
Trauma to the leg or to the hips and pelvis might cause a clot, but we were not told of any leg injury.
This week, Ralph Lauren drew criticism for doctoring a photograph of a model to make her head look double the size of her pelvis.
1610s, "basin-like cavity formed by the bones of the pelvic girdle," from Modern Latin, from Latin pelvis "basin, laver," Old Latin peluis "basin," from PIE *pel- "container" (cf. Sanskrit palavi "vessel," Greek pelex "helmet," pelike "goblet, bowl," Old Norse and Old English full "cup").
pelvis pel·vis (pěl'vĭs)
n. pl. pel·vis·es or pel·ves (-vēz)
A basin-shaped structure of the vertebrate skeleton, composed of the innominate bones on the sides, the pubis in front, and the sacrum and coccyx behind, that rests on the lower limbs and supports the spinal column.
The cavity formed by this structure.
A basinlike or cup-shaped anatomical cavity.
Plural pelvises or pelves (pěl'vēz)
The basin-shaped structure in vertebrate animals that joins the spine and lower or hind limbs. In primates, the pelvis is composed of the two hipbones joined to the sacrum. It contains, protects, and supports the intestines, bladder, and internal reproductive organs.
The bowl-shaped group of bones connecting the trunk of the body to the legs and supporting the spine. The pelvis includes the hip bones and the lower part of the backbone.