鞘 - sheath, case, margin

to be evasive; to be not entirely truthful; to not be frank

the world is at peace; bows in bags and swords in sheaths

scabbard; sheath

margin; spread (in prices)

sea squirt; ascidian

myelin sheath (around the axon of a neuron)

schwannoma; neurilemmoma

interest margin

tenosynovitis

oedogonium (any of a genus of filamentous green algae)

ootheca; egg case

coleopterans; beetles