Chapters 17-18 Lightning Thief

keening

wail in grief for a dead person, crying

shoals

a place where a sea, river, or other body of water is shallow

realm

(n.) a kingdom; a region or field of study

warbled

(of a bird) sing softly and with a succession of constantly changing notes.

infinity

Endless or unlimited space, time, or distance

sustain

To support for an extended period of time

queued

lined up

hurtling

moving swiftly and with great force

imperfect

not perfect

morale

the spirit of a group that makes the members want the group to succeed