scabbard, sheath, cap (on a brush...

arbitrage, long-short trade, pairs trade...

arbitrage, long-short trade, pairs trade...

spear squid (Loligo bleekeri)

tip of a scabbard

outer roofed structure for protecting cultural assets and historic sites

getting back together, being reconciled, returning to normal

red-lacquered sword sheath

sheath of tendon

margin, spread (in prices)

rivalry in love, rivalry for the heart of a woman, quarrel over something trivial...

(discount rate) negative spread, loss margin, back spread...

arbitrage, long-short trade, pairs trade...

profit margin

sea squirt, ascidian

to slip out of one's scabbard (of swords)

sharkskin scabbard

myelin sheath (around the axon of a neuron)

elytron

leaf sheath, vagina

ootheca, egg case

coleopterans, beetles

oedogonium (any of a genus of filamentous green algae)

to draw a sword

interest margin

coleoptile, acrospire

sea pineapple (Halocynthia roretzi)

myelin sheath (around the axon of a neuron)

tenosynovitis

schwannoma, neurilemmoma