Definitions
1.nounTreasure.
2.nounThe blood-vessel in the yolk of an egg.
3.nounRace; lineage, pedigree.
4.nounHereditary character, quality, or disposition."There is a strain of madness in her family."
5.nounA tendency or disposition.
6.nounAny sustained note or movement; a song; a distinct portion of an ode or other poem; also, the pervading note, or burden, of a song, poem, oration, book, etc.; theme; motive; manner; style
7.nounA particular breed or race of animal, microbe etc."They say this year's flu virus is a particularly virulent strain."
8.nounA portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
9.nounA kind or sort (of person etc.).
10.nounLanguage that is eloquent, poetic, or otherwise heightened.