Wiktionary
adv. Grouped by pairs; arranged in groups of two.
Usage examples of "in twos".
The groups of five seemed a considerate way of teaching, but Saba wished she could learn this in twos.
Skinners darted forward in twos and threes, sometimes firing point-blank.
Then, in twos and threes, sullen, gaunt men began to troop out of the Larder, greedily clutching chunks of raw meat, bloody arms, legs.
To his right were steps going down-into a tremendous dining room where people in twos and sixes and twenties were busily consuming dinner.
After the graveside service things began to break up, and they milled around for a time, talking to people they hadn't seen since the last biker funeral, then peeled off in twos and threes, roaring past the two state trooper cars which had apparently been summoned just in case, no doubt by nervous residents of the town, unstrung by the bearded, burly, helmeted visions which made such a powerful and flatulent sound as they moved through the town slowly in columns of four.
The others were coming up the corridor in twos, with Dyoran and Muckerheide lead- ing the way.
What they talked about to her he did not know, though he had watched them approaching the house in a manner not exactly secret, yet purposeful, entering usually singly though sometimes in twos and threes, in their aprons and headrags and now and then with a man’.
A two-piece band was playing and girls sat around in twos and threes.