United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) n
2
One who balances himself in unnatural positions and hazardous movements
3
a small iceberg or ice floe just large enough to be hazardous for shipping
4
hazardous and frightening
5
a place affording peace and quiet n (military) a signal to begin a withdrawal from a dangerous position n (military) a bugle call signaling the lowering of the flag at sunset n an area where you can be alone n withdrawal for prayer and study and meditation n the act of withdrawing or going backward (especially to escape something hazardous or unpleasant) v pull back or move away or backward v move away, as for privacy v move back v make a retreat from an earlier commitment or activity
